40660611312 has 20 divisors (see below), whose sum is σ = 105039912680. Its totient is φ = 13553537088.

The previous prime is 40660611311. The next prime is 40660611319. The reversal of 40660611312 is 21311606604.

It is a super-2 number, since 2×40660611312² (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 40660611312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40660611311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 423547987 + ... + 423548082.

It is an arithmetic number, because the mean of its divisors is an integer number (5251995634).

Almost surely, 2^40660611312 is an apocalyptic number.

It is an amenable number.

40660611312 is an abundant number, since it is smaller than the sum of its proper divisors (64379301368).

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

40660611312 is a wasteful number, since it uses less digits than its factorization.

40660611312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847096080 (or 847096074 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The spelling of 40660611312 in words is "forty billion, six hundred sixty million, six hundred eleven thousand, three hundred twelve".