40185088554 has 32 divisors (see below), whose sum is σ = 88185573504. Its totient is φ = 12131346240.

The previous prime is 40185088513. The next prime is 40185088613. The reversal of 40185088554 is 45588058104.

It is a super-2 number, since 2×40185088554² (a number of 22 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 4856182 + ... + 4864449.

It is an arithmetic number, because the mean of its divisors is an integer number (2755799172).

Almost surely, 2^40185088554 is an apocalyptic number.

40185088554 is an abundant number, since it is smaller than the sum of its proper divisors (48000484950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40185088554 is a wasteful number, since it uses less digits than its factorization.

40185088554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9720702.

The product of its (nonzero) digits is 1024000, while the sum is 48.

The spelling of 40185088554 in words is "forty billion, one hundred eighty-five million, eighty-eight thousand, five hundred fifty-four".