25732052330 has 16 divisors (see below), whose sum is σ = 46795197960. Its totient is φ = 10186708992.

The previous prime is 25732052327. The next prime is 25732052347. The reversal of 25732052330 is 3325023752.

It can be written as a sum of positive squares in 4 ways, for example, as 10805810401 + 14926241929 = 103951^2 + 122173^2 .

It is a super-2 number, since 2×25732052330² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13262975 + ... + 13264914.

Almost surely, 2^25732052330 is an apocalyptic number.

25732052330 is a deficient number, since it is larger than the sum of its proper divisors (21063145630).

25732052330 is a wasteful number, since it uses less digits than its factorization.

25732052330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26527993.

The product of its (nonzero) digits is 37800, while the sum is 32.

The spelling of 25732052330 in words is "twenty-five billion, seven hundred thirty-two million, fifty-two thousand, three hundred thirty".