25295673072 has 40 divisors (see below), whose sum is σ = 65416277376. Its totient is φ = 8422972096.

The previous prime is 25295673031. The next prime is 25295673097. The reversal of 25295673072 is 27037659252.

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

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, 232788 + ... + 323699.

Almost surely, 2^25295673072 is an apocalyptic number.

It is an amenable number.

25295673072 is an abundant number, since it is smaller than the sum of its proper divisors (40120604304).

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

25295673072 is a wasteful number, since it uses less digits than its factorization.

25295673072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557445 (or 557439 counting only the distinct ones).

The product of its (nonzero) digits is 1587600, while the sum is 48.

It can be divided in two parts, 252956 and 73072, that added together give a triangular number (326028 = T₈₀₇).

The spelling of 25295673072 in words is "twenty-five billion, two hundred ninety-five million, six hundred seventy-three thousand, seventy-two".