40406703740531 has 2 divisors, whose sum is σ = 40406703740532. Its totient is φ = 40406703740530.

The previous prime is 40406703740413. The next prime is 40406703740549. The reversal of 40406703740531 is 13504730760404.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40406703740531 - 2²⁶ = 40406636631667 is a prime.

It is a super-2 number, since 2×40406703740531² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40406703748531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20203351870265 + 20203351870266.

It is an arithmetic number, because the mean of its divisors is an integer number (20203351870266).

Almost surely, 2^{40406703740531} is an apocalyptic number.

40406703740531 is a deficient number, since it is larger than the sum of its proper divisors (1).

40406703740531 is an equidigital number, since it uses as much as digits as its factorization.

40406703740531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 846720, while the sum is 44.

The spelling of 40406703740531 in words is "forty trillion, four hundred six billion, seven hundred three million, seven hundred forty thousand, five hundred thirty-one".