25534330544 has 10 divisors (see below), whose sum is σ = 49472765460. Its totient is φ = 12767165264.

The previous prime is 25534330541. The next prime is 25534330559. The reversal of 25534330544 is 44503343552.

It is a junction number, because it is equal to n+sod(n) for n = 25534330498 and 25534330507.

It is not an unprimeable number, because it can be changed into a prime (25534330541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 797947814 + ... + 797947845.

It is an arithmetic number, because the mean of its divisors is an integer number (4947276546).

Almost surely, 2^25534330544 is an apocalyptic number.

It is an amenable number.

25534330544 is a deficient number, since it is larger than the sum of its proper divisors (23938434916).

25534330544 is a wasteful number, since it uses less digits than its factorization.

25534330544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595895667 (or 1595895661 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 38.

The spelling of 25534330544 in words is "twenty-five billion, five hundred thirty-four million, three hundred thirty thousand, five hundred forty-four".