25414543530 has 64 divisors (see below), whose sum is σ = 70109107200. Its totient is φ = 6543512640.

The previous prime is 25414543487. The next prime is 25414543537. The reversal of 25414543530 is 3534541452.

25414543530 is a `hidden beast` number, since 2 + 5 + 41 + 45 + 43 + 530 = 666.

It is not an unprimeable number, because it can be changed into a prime (25414543537) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1615066 + ... + 1630725.

It is an arithmetic number, because the mean of its divisors is an integer number (1095454800).

Almost surely, 2^25414543530 is an apocalyptic number.

25414543530 is an abundant number, since it is smaller than the sum of its proper divisors (44694563670).

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

25414543530 is a wasteful number, since it uses less digits than its factorization.

25414543530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3245836 (or 3245830 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The spelling of 25414543530 in words is "twenty-five billion, four hundred fourteen million, five hundred forty-three thousand, five hundred thirty".