25434234989496 has 48 divisors (see below), whose sum is σ = 68954892645600. Its totient is φ = 8469400641792.

The previous prime is 25434234989467. The next prime is 25434234989503. The reversal of 25434234989496 is 69498943243452.

25434234989496 is a `hidden beast` number, since 2 + 5 + 4 + 3 + 42 + 3 + 4 + 98 + 9 + 496 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 180714336 + ... + 180855023.

It is an arithmetic number, because the mean of its divisors is an integer number (1436560263450).

Almost surely, 2^{25434234989496} is an apocalyptic number.

It is an amenable number.

25434234989496 is an abundant number, since it is smaller than the sum of its proper divisors (43520657656104).

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

25434234989496 is a wasteful number, since it uses less digits than its factorization.

25434234989496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361570348 (or 361570341 counting only the distinct ones).

The product of its digits is 1612431360, while the sum is 72.

The spelling of 25434234989496 in words is "twenty-five trillion, four hundred thirty-four billion, two hundred thirty-four million, nine hundred eighty-nine thousand, four hundred ninety-six".