1010220440 has 16 divisors (see below), whose sum is σ = 2272996080. Its totient is φ = 404088160.

The previous prime is 1010220437. The next prime is 1010220493. The reversal of 1010220440 is 440220101.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 12627716 + ... + 12627795.

It is an arithmetic number, because the mean of its divisors is an integer number (142062255).

Almost surely, 2^1010220440 is an apocalyptic number.

1010220440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010220440 is an abundant number, since it is smaller than the sum of its proper divisors (1262775640).

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

1010220440 is a wasteful number, since it uses less digits than its factorization.

1010220440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25255522 (or 25255518 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1010220440 is about 31783.9651396738. The cubic root of 1010220440 is about 1003.3952724118.

Adding to 1010220440 its reverse (440220101), we get a palindrome (1450440541).

The spelling of 1010220440 in words is "one billion, ten million, two hundred twenty thousand, four hundred forty".