40354665554 has 32 divisors (see below), whose sum is σ = 73057797120. Its totient is φ = 16331197968.

The previous prime is 40354665551. The next prime is 40354665577. The reversal of 40354665554 is 45556645304.

It is a junction number, because it is equal to n+sod(n) for n = 40354665499 and 40354665508.

It is not an unprimeable number, because it can be changed into a prime (40354665551) 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, 165422 + ... + 328745.

It is an arithmetic number, because the mean of its divisors is an integer number (2283056160).

Almost surely, 2^40354665554 is an apocalyptic number.

40354665554 is a deficient number, since it is larger than the sum of its proper divisors (32703131566).

40354665554 is a wasteful number, since it uses less digits than its factorization.

40354665554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494502.

The product of its (nonzero) digits is 4320000, while the sum is 47.

The spelling of 40354665554 in words is "forty billion, three hundred fifty-four million, six hundred sixty-five thousand, five hundred fifty-four".