25412668424 has 64 divisors (see below), whose sum is σ = 56653611840. Its totient is φ = 10534152960.

The previous prime is 25412668409. The next prime is 25412668429. The reversal of 25412668424 is 42486621452.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (25412668429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38867 + ... + 228770.

It is an arithmetic number, because the mean of its divisors is an integer number (885212685).

Almost surely, 2^25412668424 is an apocalyptic number.

It is an amenable number.

25412668424 is an abundant number, since it is smaller than the sum of its proper divisors (31240943416).

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

25412668424 is a wasteful number, since it uses less digits than its factorization.

25412668424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267750 (or 267746 counting only the distinct ones).

The product of its digits is 737280, while the sum is 44.

The spelling of 25412668424 in words is "twenty-five billion, four hundred twelve million, six hundred sixty-eight thousand, four hundred twenty-four".