40162546537 has 2 divisors, whose sum is σ = 40162546538. Its totient is φ = 40162546536.

The previous prime is 40162546511. The next prime is 40162546559. The reversal of 40162546537 is 73564526104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38694430681 + 1468115856 = 196709^2 + 38316^2 .

It is a cyclic number.

It is not a de Polignac number, because 40162546537 - 2⁷ = 40162546409 is a prime.

It is a super-2 number, since 2×40162546537² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40162546493 and 40162546502.

It is not a weakly prime, because it can be changed into another prime (40162546637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20081273268 + 20081273269.

It is an arithmetic number, because the mean of its divisors is an integer number (20081273269).

Almost surely, 2^40162546537 is an apocalyptic number.

It is an amenable number.

40162546537 is a deficient number, since it is larger than the sum of its proper divisors (1).

40162546537 is an equidigital number, since it uses as much as digits as its factorization.

40162546537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 604800, while the sum is 43.

The spelling of 40162546537 in words is "forty billion, one hundred sixty-two million, five hundred forty-six thousand, five hundred thirty-seven".