40427461555 has 8 divisors (see below), whose sum is σ = 52244719632. Its totient is φ = 29854125408.

The previous prime is 40427461511. The next prime is 40427461573. The reversal of 40427461555 is 55516472404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40427461555 - 2³⁵ = 6067723187 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310980409 + ... + 310980538.

It is an arithmetic number, because the mean of its divisors is an integer number (6530589954).

Almost surely, 2^40427461555 is an apocalyptic number.

40427461555 is a deficient number, since it is larger than the sum of its proper divisors (11817258077).

40427461555 is a wasteful number, since it uses less digits than its factorization.

40427461555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621960965.

The product of its (nonzero) digits is 672000, while the sum is 43.

The spelling of 40427461555 in words is "forty billion, four hundred twenty-seven million, four hundred sixty-one thousand, five hundred fifty-five".