25362536040 has 192 divisors, whose sum is σ = 85511462400. Its totient is φ = 6514560000.

The previous prime is 25362535987. The next prime is 25362536041. The reversal of 25362536040 is 4063526352.

25362536040 is a `hidden beast` number, since 2 + 536 + 25 + 3 + 60 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 25362535986 and 25362536004.

It is not an unprimeable number, because it can be changed into a prime (25362536041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1155165 + ... + 1176915.

It is an arithmetic number, because the mean of its divisors is an integer number (445372200).

Almost surely, 2^25362536040 is an apocalyptic number.

25362536040 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 25362536040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42755731200).

25362536040 is an abundant number, since it is smaller than the sum of its proper divisors (60148926360).

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

25362536040 is a wasteful number, since it uses less digits than its factorization.

25362536040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21888 (or 21881 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

The spelling of 25362536040 in words is "twenty-five billion, three hundred sixty-two million, five hundred thirty-six thousand, forty".