25247100465240 has 128 divisors (see below), whose sum is σ = 75881493144000. Its totient is φ = 6720105553920.

The previous prime is 25247100465227. The next prime is 25247100465259. The reversal of 25247100465240 is 4256400174252.

It is a junction number, because it is equal to n+sod(n) for n = 25247100465192 and 25247100465201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 241794484 + ... + 241898876.

Almost surely, 2^{25247100465240} is an apocalyptic number.

25247100465240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25247100465240 is an abundant number, since it is smaller than the sum of its proper divisors (50634392678760).

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

25247100465240 is a wasteful number, since it uses less digits than its factorization.

25247100465240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108117 (or 108113 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 42.

The spelling of 25247100465240 in words is "twenty-five trillion, two hundred forty-seven billion, one hundred million, four hundred sixty-five thousand, two hundred forty".