40732710641 has 12 divisors (see below), whose sum is σ = 49016845620. Its totient is φ = 33709828320.

The previous prime is 40732710619. The next prime is 40732710643. The reversal of 40732710641 is 14601723704.

It can be written as a sum of positive squares in 2 ways, for example, as 12696557041 + 28036153600 = 112679^2 + 167440^2 .

It is not a de Polignac number, because 40732710641 - 2¹⁴ = 40732694257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40732710643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14330990 + ... + 14333831.

It is an arithmetic number, because the mean of its divisors is an integer number (4084737135).

Almost surely, 2^40732710641 is an apocalyptic number.

It is an amenable number.

40732710641 is a deficient number, since it is larger than the sum of its proper divisors (8284134979).

40732710641 is a wasteful number, since it uses less digits than its factorization.

40732710641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28664864 (or 28664857 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The spelling of 40732710641 in words is "forty billion, seven hundred thirty-two million, seven hundred ten thousand, six hundred forty-one".