40496451539 has 2 divisors, whose sum is σ = 40496451540. Its totient is φ = 40496451538.

The previous prime is 40496451533. The next prime is 40496451559. The reversal of 40496451539 is 93515469404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40496451539 - 2²⁰ = 40495402963 is a prime.

It is not a weakly prime, because it can be changed into another prime (40496451533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20248225769 + 20248225770.

It is an arithmetic number, because the mean of its divisors is an integer number (20248225770).

Almost surely, 2^40496451539 is an apocalyptic number.

40496451539 is a deficient number, since it is larger than the sum of its proper divisors (1).

40496451539 is an equidigital number, since it uses as much as digits as its factorization.

40496451539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2332800, while the sum is 50.

The spelling of 40496451539 in words is "forty billion, four hundred ninety-six million, four hundred fifty-one thousand, five hundred thirty-nine".