40032655937 has 2 divisors, whose sum is σ = 40032655938. Its totient is φ = 40032655936.

The previous prime is 40032655933. The next prime is 40032655979. The reversal of 40032655937 is 73955623004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20130218161 + 19902437776 = 141881^2 + 141076^2 .

It is a cyclic number.

It is not a de Polignac number, because 40032655937 - 2² = 40032655933 is a prime.

It is a super-2 number, since 2×40032655937² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40032655933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20016327968 + 20016327969.

It is an arithmetic number, because the mean of its divisors is an integer number (20016327969).

Almost surely, 2^40032655937 is an apocalyptic number.

It is an amenable number.

40032655937 is a deficient number, since it is larger than the sum of its proper divisors (1).

40032655937 is an equidigital number, since it uses as much as digits as its factorization.

40032655937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 680400, while the sum is 44.

The spelling of 40032655937 in words is "forty billion, thirty-two million, six hundred fifty-five thousand, nine hundred thirty-seven".