290421912800 has 72 divisors (see below), whose sum is σ = 731863282752. Its totient is φ = 112421376000.

The previous prime is 290421912761. The next prime is 290421912811. The reversal of 290421912800 is 8219124092.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5830481 + ... + 5880080.

It is an arithmetic number, because the mean of its divisors is an integer number (10164767816).

Almost surely, 2^290421912800 is an apocalyptic number.

290421912800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

290421912800 is an abundant number, since it is smaller than the sum of its proper divisors (441441369952).

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

290421912800 is a wasteful number, since it uses less digits than its factorization.

290421912800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11710612 (or 11710599 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The spelling of 290421912800 in words is "two hundred ninety billion, four hundred twenty-one million, nine hundred twelve thousand, eight hundred".