40550604655 has 32 divisors (see below), whose sum is σ = 54205132608. Its totient is φ = 28874649600.

The previous prime is 40550604649. The next prime is 40550604709. The reversal of 40550604655 is 55640605504.

40550604655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40550604655 - 2⁵ = 40550604623 is a prime.

It is a super-2 number, since 2×40550604655² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 513195 + ... + 586915.

It is an arithmetic number, because the mean of its divisors is an integer number (1693910394).

Almost surely, 2^40550604655 is an apocalyptic number.

40550604655 is a deficient number, since it is larger than the sum of its proper divisors (13654527953).

40550604655 is a wasteful number, since it uses less digits than its factorization.

40550604655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73947.

The product of its (nonzero) digits is 360000, while the sum is 40.

The spelling of 40550604655 in words is "forty billion, five hundred fifty million, six hundred four thousand, six hundred fifty-five".