25204450190 has 16 divisors (see below), whose sum is σ = 47755800720. Its totient is φ = 9551160000.

The previous prime is 25204450151. The next prime is 25204450213. The reversal of 25204450190 is 9105440252.

It is a super-2 number, since 2×25204450190² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 66327311 + ... + 66327690.

It is an arithmetic number, because the mean of its divisors is an integer number (2984737545).

Almost surely, 2^25204450190 is an apocalyptic number.

25204450190 is a deficient number, since it is larger than the sum of its proper divisors (22551350530).

25204450190 is a wasteful number, since it uses less digits than its factorization.

25204450190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132655027.

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 25204450190 in words is "twenty-five billion, two hundred four million, four hundred fifty thousand, one hundred ninety".