290409701225 has 48 divisors (see below), whose sum is σ = 419635641600. Its totient is φ = 195232377600.

The previous prime is 290409701213. The next prime is 290409701243. The reversal of 290409701225 is 522107904092.

It is not a de Polignac number, because 290409701225 - 2⁴ = 290409701209 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12964535 + ... + 12986915.

It is an arithmetic number, because the mean of its divisors is an integer number (8742409200).

Almost surely, 2^290409701225 is an apocalyptic number.

290409701225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

290409701225 is a deficient number, since it is larger than the sum of its proper divisors (129225940375).

290409701225 is a wasteful number, since it uses less digits than its factorization.

290409701225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23850 (or 23845 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 290409701225 in words is "two hundred ninety billion, four hundred nine million, seven hundred one thousand, two hundred twenty-five".