290928711980 has 12 divisors (see below), whose sum is σ = 610950295200. Its totient is φ = 116371484784.

The previous prime is 290928711973. The next prime is 290928712069. The reversal of 290928711980 is 89117829092.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7273217780 + ... + 7273217819.

It is an arithmetic number, because the mean of its divisors is an integer number (50912524600).

Almost surely, 2^290928711980 is an apocalyptic number.

290928711980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

290928711980 is an abundant number, since it is smaller than the sum of its proper divisors (320021583220).

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

290928711980 is a wasteful number, since it uses less digits than its factorization.

290928711980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14546435608 (or 14546435606 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 56.

The spelling of 290928711980 in words is "two hundred ninety billion, nine hundred twenty-eight million, seven hundred eleven thousand, nine hundred eighty".