10402232040 has 96 divisors (see below), whose sum is σ = 33820885800. Its totient is φ = 2772810240.

The previous prime is 10402232033. The next prime is 10402232047. The reversal of 10402232040 is 4023220401.

It is an interprime number because it is at equal distance from previous prime (10402232033) and next prime (10402232047).

It can be written as a sum of positive squares in 4 ways, for example, as 7008703524 + 3393528516 = 83718^2 + 58254^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (10402232047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1285126 + ... + 1293194.

Almost surely, 2^10402232040 is an apocalyptic number.

10402232040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10402232040 is an abundant number, since it is smaller than the sum of its proper divisors (23418653760).

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

10402232040 is a wasteful number, since it uses less digits than its factorization.

10402232040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11667 (or 11660 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 10402232040 its reverse (4023220401), we get a palindrome (14425452441).

The spelling of 10402232040 in words is "ten billion, four hundred two million, two hundred thirty-two thousand, forty".