40264587953 has 2 divisors, whose sum is σ = 40264587954. Its totient is φ = 40264587952.

The previous prime is 40264587949. The next prime is 40264587997. The reversal of 40264587953 is 35978546204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39997200049 + 267387904 = 199993^2 + 16352^2 .

It is a cyclic number.

It is not a de Polignac number, because 40264587953 - 2² = 40264587949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40264587895 and 40264587904.

It is not a weakly prime, because it can be changed into another prime (40264587053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20132293976 + 20132293977.

It is an arithmetic number, because the mean of its divisors is an integer number (20132293977).

Almost surely, 2^40264587953 is an apocalyptic number.

It is an amenable number.

40264587953 is a deficient number, since it is larger than the sum of its proper divisors (1).

40264587953 is an equidigital number, since it uses as much as digits as its factorization.

40264587953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7257600, while the sum is 53.

The spelling of 40264587953 in words is "forty billion, two hundred sixty-four million, five hundred eighty-seven thousand, nine hundred fifty-three".