404903049012 has 72 divisors (see below), whose sum is σ = 1276058102592. Its totient is φ = 105169622400.

The previous prime is 404903049007. The next prime is 404903049041. The reversal of 404903049012 is 210940309404.

404903049012 is a `hidden beast` number, since 40 + 4 + 90 + 30 + 490 + 12 = 666.

It is a super-2 number, since 2×404903049012² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 73031689 + ... + 73037232.

Almost surely, 2^404903049012 is an apocalyptic number.

404903049012 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

404903049012 is an abundant number, since it is smaller than the sum of its proper divisors (871155053580).

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

404903049012 is a wasteful number, since it uses less digits than its factorization.

404903049012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146068949 (or 146068944 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The spelling of 404903049012 in words is "four hundred four billion, nine hundred three million, forty-nine thousand, twelve".