25467298990 has 32 divisors (see below), whose sum is σ = 52898526720. Its totient is φ = 8646869664.

The previous prime is 25467298943. The next prime is 25467299009. The reversal of 25467298990 is 9989276452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1758900 + ... + 1773319.

It is an arithmetic number, because the mean of its divisors is an integer number (1653078960).

Almost surely, 2^25467298990 is an apocalyptic number.

25467298990 is an abundant number, since it is smaller than the sum of its proper divisors (27431227730).

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

25467298990 is a wasteful number, since it uses less digits than its factorization.

25467298990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3532336.

The product of its (nonzero) digits is 19595520, while the sum is 61.

The spelling of 25467298990 in words is "twenty-five billion, four hundred sixty-seven million, two hundred ninety-eight thousand, nine hundred ninety".