40400407373404 has 24 divisors (see below), whose sum is σ = 76144332882800. Its totient is φ = 18645092002944.

The previous prime is 40400407373353. The next prime is 40400407373429. The reversal of 40400407373404 is 40437370400404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25255329 + ... + 26807320.

Almost surely, 2^{40400407373404} is an apocalyptic number.

It is an amenable number.

40400407373404 is a deficient number, since it is larger than the sum of its proper divisors (35743925509396).

40400407373404 is a wasteful number, since it uses less digits than its factorization.

40400407373404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52077589 (or 52077587 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 40.

Adding to 40400407373404 its reverse (40437370400404), we get a palindrome (80837777773808).

The spelling of 40400407373404 in words is "forty trillion, four hundred billion, four hundred seven million, three hundred seventy-three thousand, four hundred four".