25251362380 has 24 divisors (see below), whose sum is σ = 53035899840. Its totient is φ = 10099013760.

The previous prime is 25251362359. The next prime is 25251362393. The reversal of 25251362380 is 8326315252.

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, 44541 + ... + 229099.

It is an arithmetic number, because the mean of its divisors is an integer number (2209829160).

Almost surely, 2^25251362380 is an apocalyptic number.

25251362380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25251362380 is an abundant number, since it is smaller than the sum of its proper divisors (27784537460).

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

25251362380 is a wasteful number, since it uses less digits than its factorization.

25251362380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191409 (or 191407 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 25251362380 in words is "twenty-five billion, two hundred fifty-one million, three hundred sixty-two thousand, three hundred eighty".