290197921060 has 24 divisors (see below), whose sum is σ = 629074204416. Its totient is φ = 112334678880.

The previous prime is 290197921033. The next prime is 290197921081. The reversal of 290197921060 is 60129791092.

It is a happy number.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 290197921060.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234029962 + ... + 234031201.

It is an arithmetic number, because the mean of its divisors is an integer number (26211425184).

Almost surely, 2^290197921060 is an apocalyptic number.

290197921060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

290197921060 is an abundant number, since it is smaller than the sum of its proper divisors (338876283356).

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

290197921060 is a wasteful number, since it uses less digits than its factorization.

290197921060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468061203 (or 468061201 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 46.

The spelling of 290197921060 in words is "two hundred ninety billion, one hundred ninety-seven million, nine hundred twenty-one thousand, sixty".