1040234420 has 96 divisors (see below), whose sum is σ = 2447625600. Its totient is φ = 369045504.

The previous prime is 1040234407. The next prime is 1040234423. The reversal of 1040234420 is 244320401.

1040234420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 1040234392 and 1040234401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040234423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1827896 + ... + 1828464.

It is an arithmetic number, because the mean of its divisors is an integer number (25496100).

Almost surely, 2^1040234420 is an apocalyptic number.

1040234420 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 1040234420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1223812800).

1040234420 is an abundant number, since it is smaller than the sum of its proper divisors (1407391180).

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

1040234420 is a wasteful number, since it uses less digits than its factorization.

1040234420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897 (or 895 counting only the distinct ones).

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

The square root of 1040234420 is about 32252.6653162184. The cubic root of 1040234420 is about 1013.2355214435.

Adding to 1040234420 its reverse (244320401), we get a palindrome (1284554821).

The spelling of 1040234420 in words is "one billion, forty million, two hundred thirty-four thousand, four hundred twenty".