290620080 has 120 divisors (see below), whose sum is σ = 982249632. Its totient is φ = 77002752.

The previous prime is 290620073. The next prime is 290620091. The reversal of 290620080 is 80026092.

It is a tau number, because it is divible by the number of its divisors (120).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 119032 + ... + 121448.

Almost surely, 2^290620080 is an apocalyptic number.

290620080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 290620080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (491124816).

290620080 is an abundant number, since it is smaller than the sum of its proper divisors (691629552).

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

290620080 is a wasteful number, since it uses less digits than its factorization.

290620080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2603 (or 2594 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 290620080 is about 17047.5828198604. The cubic root of 290620080 is about 662.3820262224.

The spelling of 290620080 in words is "two hundred ninety million, six hundred twenty thousand, eighty".