40555204000 has 48 divisors (see below), whose sum is σ = 99644146056. Its totient is φ = 16222080000.

The previous prime is 40555203989. The next prime is 40555204003. The reversal of 40555204000 is 40255504.

It can be written as a sum of positive squares in 4 ways, for example, as 14379847056 + 26175356944 = 119916^2 + 161788^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (40555204003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5065401 + ... + 5073400.

Almost surely, 2^40555204000 is an apocalyptic number.

40555204000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40555204000 is an abundant number, since it is smaller than the sum of its proper divisors (59088942056).

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

40555204000 is a wasteful number, since it uses less digits than its factorization.

40555204000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10138826 (or 10138808 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

Adding to 40555204000 its reverse (40255504), we get a palindrome (40595459504).

The spelling of 40555204000 in words is "forty billion, five hundred fifty-five million, two hundred four thousand".