402411002040 has 96 divisors (see below), whose sum is σ = 1325751401520. Its totient is φ = 105839599104.

The previous prime is 402411002039. The next prime is 402411002069. The reversal of 402411002040 is 40200114204.

It is a super-2 number, since 2×402411002040² (a number of 24 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7629942 + ... + 7682501.

Almost surely, 2^402411002040 is an apocalyptic number.

402411002040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402411002040 is an abundant number, since it is smaller than the sum of its proper divisors (923340399480).

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

402411002040 is a wasteful number, since it uses less digits than its factorization.

402411002040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15312533 (or 15312526 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 402411002040 its reverse (40200114204), we get a palindrome (442611116244).

The spelling of 402411002040 in words is "four hundred two billion, four hundred eleven million, two thousand, forty".