40764461572 has 12 divisors (see below), whose sum is σ = 71562850380. Its totient is φ = 20317932896.

The previous prime is 40764461537. The next prime is 40764461609. The reversal of 40764461572 is 27516446704.

It can be written as a sum of positive squares in 2 ways, for example, as 12763124676 + 28001336896 = 112974^2 + 167336^2 .

It is a super-2 number, since 2×40764461572² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16073047 + ... + 16075582.

It is an arithmetic number, because the mean of its divisors is an integer number (5963570865).

Almost surely, 2^40764461572 is an apocalyptic number.

It is an amenable number.

40764461572 is a deficient number, since it is larger than the sum of its proper divisors (30798388808).

40764461572 is a wasteful number, since it uses less digits than its factorization.

40764461572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32148950 (or 32148948 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 46.

The spelling of 40764461572 in words is "forty billion, seven hundred sixty-four million, four hundred sixty-one thousand, five hundred seventy-two".