40454557358506 has 32 divisors (see below), whose sum is σ = 64535159989440. Its totient is φ = 18953356958976.

The previous prime is 40454557358447. The next prime is 40454557358507. The reversal of 40454557358506 is 60585375545404.

It is a happy number.

It is a super-2 number, since 2×40454557358506² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40454557358507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169639005 + ... + 169877311.

It is an arithmetic number, because the mean of its divisors is an integer number (2016723749670).

Almost surely, 2^{40454557358506} is an apocalyptic number.

40454557358506 is a deficient number, since it is larger than the sum of its proper divisors (24080602630934).

40454557358506 is a wasteful number, since it uses less digits than its factorization.

40454557358506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260358.

The product of its (nonzero) digits is 201600000, while the sum is 61.

The spelling of 40454557358506 in words is "forty trillion, four hundred fifty-four billion, five hundred fifty-seven million, three hundred fifty-eight thousand, five hundred six".