25065759040 has 56 divisors (see below), whose sum is σ = 68214678912. Its totient is φ = 8593973760.

The previous prime is 25065759029. The next prime is 25065759041. The reversal of 25065759040 is 4095756052.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25065759041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5592796 + ... + 5597275.

Almost surely, 2^25065759040 is an apocalyptic number.

25065759040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25065759040 is an abundant number, since it is smaller than the sum of its proper divisors (43148919872).

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

25065759040 is a wasteful number, since it uses less digits than its factorization.

25065759040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11190095 (or 11190085 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 43.

The spelling of 25065759040 in words is "twenty-five billion, sixty-five million, seven hundred fifty-nine thousand, forty".