40457206477531 has 2 divisors, whose sum is σ = 40457206477532. Its totient is φ = 40457206477530.

The previous prime is 40457206477511. The next prime is 40457206477537. The reversal of 40457206477531 is 13577460275404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40457206477531 - 2¹⁹ = 40457205953243 is a prime.

It is a super-2 number, since 2×40457206477531² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40457206477537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20228603238765 + 20228603238766.

It is an arithmetic number, because the mean of its divisors is an integer number (20228603238766).

Almost surely, 2^{40457206477531} is an apocalyptic number.

40457206477531 is a deficient number, since it is larger than the sum of its proper divisors (1).

40457206477531 is an equidigital number, since it uses as much as digits as its factorization.

40457206477531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19756800, while the sum is 55.

The spelling of 40457206477531 in words is "forty trillion, four hundred fifty-seven billion, two hundred six million, four hundred seventy-seven thousand, five hundred thirty-one".