40555203999 has 16 divisors (see below), whose sum is σ = 56951758080. Its totient is φ = 25599335040.

The previous prime is 40555203989. The next prime is 40555204003. The reversal of 40555203999 is 99930255504.

It is not a de Polignac number, because 40555203999 - 2⁹ = 40555203487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40555203979) 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, 98907 + ... + 301484.

It is an arithmetic number, because the mean of its divisors is an integer number (3559484880).

Almost surely, 2^40555203999 is an apocalyptic number.

40555203999 is a deficient number, since it is larger than the sum of its proper divisors (16396554081).

40555203999 is a wasteful number, since it uses less digits than its factorization.

40555203999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402190.

The product of its (nonzero) digits is 2187000, while the sum is 51.

The spelling of 40555203999 in words is "forty billion, five hundred fifty-five million, two hundred three thousand, nine hundred ninety-nine".