25214645090 has 8 divisors (see below), whose sum is σ = 45386361180. Its totient is φ = 10085858032.

The previous prime is 25214645069. The next prime is 25214645101. The reversal of 25214645090 is 9054641252.

It is a happy number.

25214645090 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 23322482089 + 1892163001 = 152717^2 + 43499^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×25214645090² (a number of 22 digits) contains 22 as substring.

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, 1260732245 + ... + 1260732264.

Almost surely, 2^25214645090 is an apocalyptic number.

25214645090 is a deficient number, since it is larger than the sum of its proper divisors (20171716090).

25214645090 is a wasteful number, since it uses less digits than its factorization.

25214645090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2521464516.

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 25214645090 in words is "twenty-five billion, two hundred fourteen million, six hundred forty-five thousand, ninety".