40204503555 has 32 divisors (see below), whose sum is σ = 65309690880. Its totient is φ = 21116832000.

The previous prime is 40204503551. The next prime is 40204503589. The reversal of 40204503555 is 55530540204.

It is not a de Polignac number, because 40204503555 - 2² = 40204503551 is a prime.

It is a super-2 number, since 2×40204503555² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40204503551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 275094 + ... + 395076.

It is an arithmetic number, because the mean of its divisors is an integer number (2040927840).

Almost surely, 2^40204503555 is an apocalyptic number.

40204503555 is a deficient number, since it is larger than the sum of its proper divisors (25105187325).

40204503555 is a wasteful number, since it uses less digits than its factorization.

40204503555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120331.

The product of its (nonzero) digits is 60000, while the sum is 33.

The spelling of 40204503555 in words is "forty billion, two hundred four million, five hundred three thousand, five hundred fifty-five".