40457013582539 has 2 divisors, whose sum is σ = 40457013582540. Its totient is φ = 40457013582538.

The previous prime is 40457013582523. The next prime is 40457013582577. The reversal of 40457013582539 is 93528531075404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40457013582539 - 2⁴ = 40457013582523 is a prime.

It is not a weakly prime, because it can be changed into another prime (40457013582589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20228506791269 + 20228506791270.

It is an arithmetic number, because the mean of its divisors is an integer number (20228506791270).

Almost surely, 2^{40457013582539} is an apocalyptic number.

40457013582539 is a deficient number, since it is larger than the sum of its proper divisors (1).

40457013582539 is an equidigital number, since it uses as much as digits as its factorization.

40457013582539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144000, while the sum is 56.

The spelling of 40457013582539 in words is "forty trillion, four hundred fifty-seven billion, thirteen million, five hundred eighty-two thousand, five hundred thirty-nine".