40400404404000 has 192 divisors, whose sum is σ = 133662141954432. Its totient is φ = 10666773120000.

The previous prime is 40400404403963. The next prime is 40400404404169. The reversal of 40400404404000 is 40440400404.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15454834 + ... + 17878833.

It is an arithmetic number, because the mean of its divisors is an integer number (696156989346).

Almost surely, 2^{40400404404000} is an apocalyptic number.

40400404404000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40400404404000 is an abundant number, since it is smaller than the sum of its proper divisors (93261737550432).

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

40400404404000 is a wasteful number, since it uses less digits than its factorization.

40400404404000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33333796 (or 33333778 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 40400404404000 its reverse (40440400404), we get a palindrome (40440844804404).

The spelling of 40400404404000 in words is "forty trillion, four hundred billion, four hundred four million, four hundred four thousand".