40224128432 has 10 divisors (see below), whose sum is σ = 77934248868. Its totient is φ = 20112064208.

The previous prime is 40224128431. The next prime is 40224128453. The reversal of 40224128432 is 23482142204.

It is a super-2 number, since 2×40224128432² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40224128431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1257003998 + ... + 1257004029.

Almost surely, 2^40224128432 is an apocalyptic number.

It is an amenable number.

40224128432 is a deficient number, since it is larger than the sum of its proper divisors (37710120436).

40224128432 is a wasteful number, since it uses less digits than its factorization.

40224128432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2514008035 (or 2514008029 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

The spelling of 40224128432 in words is "forty billion, two hundred twenty-four million, one hundred twenty-eight thousand, four hundred thirty-two".