404640062000 has 80 divisors (see below), whose sum is σ = 1001173828512. Its totient is φ = 158091897600.

The previous prime is 404640061951. The next prime is 404640062027. The reversal of 404640062000 is 260046404.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2266559 + ... + 2438558.

Almost surely, 2^404640062000 is an apocalyptic number.

404640062000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

404640062000 is an abundant number, since it is smaller than the sum of its proper divisors (596533766512).

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

404640062000 is a wasteful number, since it uses less digits than its factorization.

404640062000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4705183 (or 4705167 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The spelling of 404640062000 in words is "four hundred four billion, six hundred forty million, sixty-two thousand".