25040142630 has 32 divisors (see below), whose sum is σ = 66773714400. Its totient is φ = 6677371296.

The previous prime is 25040142587. The next prime is 25040142661. The reversal of 25040142630 is 3624104052.

25040142630 is a `hidden beast` number, since 25 + 0 + 4 + 0 + 1 + 4 + 2 + 630 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 25040142594 and 25040142603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46370365 + ... + 46370904.

It is an arithmetic number, because the mean of its divisors is an integer number (2086678575).

Almost surely, 2^25040142630 is an apocalyptic number.

25040142630 is an abundant number, since it is smaller than the sum of its proper divisors (41733571770).

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

25040142630 is a wasteful number, since it uses less digits than its factorization.

25040142630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92741285 (or 92741279 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 25040142630 its reverse (3624104052), we get a palindrome (28664246682).

The spelling of 25040142630 in words is "twenty-five billion, forty million, one hundred forty-two thousand, six hundred thirty".