40136671332 has 36 divisors (see below), whose sum is σ = 102970869456. Its totient is φ = 13179204720.

The previous prime is 40136671273. The next prime is 40136671369. The reversal of 40136671332 is 23317663104.

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

It is a super-2 number, since 2×40136671332² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 8317794 + ... + 8322617.

Almost surely, 2^40136671332 is an apocalyptic number.

It is an amenable number.

40136671332 is an abundant number, since it is smaller than the sum of its proper divisors (62834198124).

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

40136671332 is a wasteful number, since it uses less digits than its factorization.

40136671332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16640488 (or 16640483 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The spelling of 40136671332 in words is "forty billion, one hundred thirty-six million, six hundred seventy-one thousand, three hundred thirty-two".