1034220440 has 64 divisors (see below), whose sum is σ = 2581632000. Its totient is φ = 369696640.

The previous prime is 1034220437. The next prime is 1034220443. The reversal of 1034220440 is 440224301.

It is an interprime number because it is at equal distance from previous prime (1034220437) and next prime (1034220443).

It is a super-2 number, since 2×1034220440² = 2139223837027587200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1034220443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6041 + ... + 45879.

It is an arithmetic number, because the mean of its divisors is an integer number (40338000).

Almost surely, 2^1034220440 is an apocalyptic number.

1034220440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1034220440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1290816000).

1034220440 is an abundant number, since it is smaller than the sum of its proper divisors (1547411560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1034220440 is a wasteful number, since it uses less digits than its factorization.

1034220440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39920 (or 39916 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1034220440 is about 32159.2978779077. The cubic root of 1034220440 is about 1011.2791165590.

Adding to 1034220440 its reverse (440224301), we get a palindrome (1474444741).

The spelling of 1034220440 in words is "one billion, thirty-four million, two hundred twenty thousand, four hundred forty".