40001412131424 has 36 divisors (see below), whose sum is σ = 113754015749556. Its totient is φ = 13333804043712.

The previous prime is 40001412131411. The next prime is 40001412131453. The reversal of 40001412131424 is 42413121410004.

40001412131424 is a `hidden beast` number, since 400 + 0 + 1 + 4 + 1 + 213 + 1 + 42 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×40001412131424² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69446895774 + ... + 69446896349.

It is an arithmetic number, because the mean of its divisors is an integer number (3159833770821).

Almost surely, 2^{40001412131424} is an apocalyptic number.

It is an amenable number.

40001412131424 is an abundant number, since it is smaller than the sum of its proper divisors (73752603618132).

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

40001412131424 is a wasteful number, since it uses less digits than its factorization.

40001412131424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138893792139 (or 138893792128 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 40001412131424 its reverse (42413121410004), we get a palindrome (82414533541428).

The spelling of 40001412131424 in words is "forty trillion, one billion, four hundred twelve million, one hundred thirty-one thousand, four hundred twenty-four".