40001432124 has 12 divisors (see below), whose sum is σ = 93336674984. Its totient is φ = 13333810704.

The previous prime is 40001432113. The next prime is 40001432137. The reversal of 40001432124 is 42123410004.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×40001432124² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40001432124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1666726327 + ... + 1666726350.

Almost surely, 2^40001432124 is an apocalyptic number.

It is an amenable number.

40001432124 is an abundant number, since it is smaller than the sum of its proper divisors (53335242860).

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

40001432124 is a wasteful number, since it uses less digits than its factorization.

40001432124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3333452684 (or 3333452682 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 40001432124 its reverse (42123410004), we get a palindrome (82124842128).

The spelling of 40001432124 in words is "forty billion, one million, four hundred thirty-two thousand, one hundred twenty-four".