40011012400 has 60 divisors (see below), whose sum is σ = 96205356352. Its totient is φ = 15991269120.

The previous prime is 40011012367. The next prime is 40011012443. The reversal of 40011012400 is 421011004.

It is a super-2 number, since 2×40011012400² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 454369 + ... + 535231.

Almost surely, 2^40011012400 is an apocalyptic number.

40011012400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40011012400 is an abundant number, since it is smaller than the sum of its proper divisors (56194343952).

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

40011012400 is a wasteful number, since it uses less digits than its factorization.

40011012400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82118 (or 82107 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 40011012400 its reverse (421011004), we get a palindrome (40432023404).

The spelling of 40011012400 in words is "forty billion, eleven million, twelve thousand, four hundred".