40024001412 has 36 divisors (see below), whose sum is σ = 101841806976. Its totient is φ = 13252978800.

The previous prime is 40024001411. The next prime is 40024001447. The reversal of 40024001412 is 21410042004.

40024001412 is a `hidden beast` number, since 400 + 240 + 0 + 14 + 12 = 666.

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

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

It is not an unprimeable number, because it can be changed into a prime (40024001411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3675948 + ... + 3686819.

Almost surely, 2^40024001412 is an apocalyptic number.

It is an amenable number.

40024001412 is an abundant number, since it is smaller than the sum of its proper divisors (61817805564).

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

40024001412 is a wasteful number, since it uses less digits than its factorization.

40024001412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7362928 (or 7362923 counting only the distinct ones).

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

Adding to 40024001412 its reverse (21410042004), we get a palindrome (61434043416).

The spelling of 40024001412 in words is "forty billion, twenty-four million, one thousand, four hundred twelve".