25157469216 has 48 divisors (see below), whose sum is σ = 72041846688. Its totient is φ = 7623475200.

The previous prime is 25157469191. The next prime is 25157469217. The reversal of 25157469216 is 61296475152.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (25157469217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11910625 + ... + 11912736.

It is an arithmetic number, because the mean of its divisors is an integer number (1500871806).

Almost surely, 2^25157469216 is an apocalyptic number.

It is an amenable number.

25157469216 is an abundant number, since it is smaller than the sum of its proper divisors (46884377472).

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

25157469216 is a wasteful number, since it uses less digits than its factorization.

25157469216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23823385 (or 23823377 counting only the distinct ones).

The product of its digits is 907200, while the sum is 48.

The spelling of 25157469216 in words is "twenty-five billion, one hundred fifty-seven million, four hundred sixty-nine thousand, two hundred sixteen".