40232132664 has 64 divisors (see below), whose sum is σ = 102279594240. Its totient is φ = 13184920320.

The previous prime is 40232132653. The next prime is 40232132687. The reversal of 40232132664 is 46623123204.

It is a super-3 number, since 3×40232132664³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 813757 + ... + 861779.

It is an arithmetic number, because the mean of its divisors is an integer number (1598118660).

Almost surely, 2^40232132664 is an apocalyptic number.

It is an amenable number.

40232132664 is an abundant number, since it is smaller than the sum of its proper divisors (62047461576).

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

40232132664 is a wasteful number, since it uses less digits than its factorization.

40232132664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48620 (or 48616 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 40232132664 its reverse (46623123204), we get a palindrome (86855255868).

The spelling of 40232132664 in words is "forty billion, two hundred thirty-two million, one hundred thirty-two thousand, six hundred sixty-four".