40454555131 has 2 divisors, whose sum is σ = 40454555132. Its totient is φ = 40454555130.

The previous prime is 40454555117. The next prime is 40454555149. The reversal of 40454555131 is 13155545404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40454555131 - 2⁷ = 40454555003 is a prime.

It is a super-2 number, since 2×40454555131² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40454555171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20227277565 + 20227277566.

It is an arithmetic number, because the mean of its divisors is an integer number (20227277566).

Almost surely, 2^40454555131 is an apocalyptic number.

40454555131 is a deficient number, since it is larger than the sum of its proper divisors (1).

40454555131 is an equidigital number, since it uses as much as digits as its factorization.

40454555131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 40454555131 in words is "forty billion, four hundred fifty-four million, five hundred fifty-five thousand, one hundred thirty-one".