904999172040 has 96 divisors (see below), whose sum is σ = 2941686371520. Its totient is φ = 241297087104.

The previous prime is 904999172027. The next prime is 904999172057. The reversal of 904999172040 is 40271999409.

904999172040 is a `hidden beast` number, since 9 + 0 + 499 + 91 + 7 + 20 + 40 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2272059 + ... + 2640501.

It is an arithmetic number, because the mean of its divisors is an integer number (30642566370).

Almost surely, 2^904999172040 is an apocalyptic number.

904999172040 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

904999172040 is an abundant number, since it is smaller than the sum of its proper divisors (2036687199480).

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

904999172040 is a wasteful number, since it uses less digits than its factorization.

904999172040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375283 (or 375276 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 54.

The spelling of 904999172040 in words is "nine hundred four billion, nine hundred ninety-nine million, one hundred seventy-two thousand, forty".