25650750667740 has 576 divisors, whose sum is σ = 80714142835200. Its totient is φ = 6080980336640.

The previous prime is 25650750667739. The next prime is 25650750667769. The reversal of 25650750667740 is 4776605705652.

It is a super-2 number, since 2×25650750667740² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 26254606132 + ... + 26254607108.

It is an arithmetic number, because the mean of its divisors is an integer number (140128720200).

Almost surely, 2^{25650750667740} is an apocalyptic number.

25650750667740 is a gapful number since it is divisible by the number (20) 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 25650750667740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40357071417600).

25650750667740 is an abundant number, since it is smaller than the sum of its proper divisors (55063392167460).

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

25650750667740 is a wasteful number, since it uses less digits than its factorization.

25650750667740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1506 (or 1493 counting only the distinct ones).

The product of its (nonzero) digits is 74088000, while the sum is 60.

The spelling of 25650750667740 in words is "twenty-five trillion, six hundred fifty billion, seven hundred fifty million, six hundred sixty-seven thousand, seven hundred forty".