40132311432 has 48 divisors (see below), whose sum is σ = 103909812240. Its totient is φ = 12916139712.

The previous prime is 40132311413. The next prime is 40132311463. The reversal of 40132311432 is 23411323104.

It is a happy number.

It is a super-2 number, since 2×40132311432² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 973978 + ... + 1014345.

It is an arithmetic number, because the mean of its divisors is an integer number (2164787755).

Almost surely, 2^40132311432 is an apocalyptic number.

It is an amenable number.

40132311432 is an abundant number, since it is smaller than the sum of its proper divisors (63777500808).

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

40132311432 is a wasteful number, since it uses less digits than its factorization.

40132311432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1988390 (or 1988357 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 40132311432 its reverse (23411323104), we get a palindrome (63543634536).

The spelling of 40132311432 in words is "forty billion, one hundred thirty-two million, three hundred eleven thousand, four hundred thirty-two".