25264877545840 has 40 divisors (see below), whose sum is σ = 59129852509728. Its totient is φ = 10039024185600.

The previous prime is 25264877545829. The next prime is 25264877545867. The reversal of 25264877545840 is 4854577846252.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 1045719607 + ... + 1045743766.

Almost surely, 2^{25264877545840} is an apocalyptic number.

25264877545840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25264877545840 is an abundant number, since it is smaller than the sum of its proper divisors (33864974963888).

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

25264877545840 is a wasteful number, since it uses less digits than its factorization.

25264877545840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091463537 (or 2091463531 counting only the distinct ones).

The product of its (nonzero) digits is 602112000, while the sum is 67.

The spelling of 25264877545840 in words is "twenty-five trillion, two hundred sixty-four billion, eight hundred seventy-seven million, five hundred forty-five thousand, eight hundred forty".