25237064736 has 432 divisors, whose sum is σ = 80717757120. Its totient is φ = 7472424960.

The previous prime is 25237064711. The next prime is 25237064759. The reversal of 25237064736 is 63746073252.

It is a super-4 number, since 4×25237064736⁴ (a number of 43 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25237064691 and 25237064700.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 231532650 + ... + 231532758.

It is an arithmetic number, because the mean of its divisors is an integer number (186846660).

Almost surely, 2^25237064736 is an apocalyptic number.

25237064736 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25237064736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40358878560).

25237064736 is an abundant number, since it is smaller than the sum of its proper divisors (55480692384).

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

25237064736 is a wasteful number, since it uses less digits than its factorization.

25237064736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289 (or 265 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 45.

The spelling of 25237064736 in words is "twenty-five billion, two hundred thirty-seven million, sixty-four thousand, seven hundred thirty-six".