25468402722 has 32 divisors (see below), whose sum is σ = 58220187264. Its totient is φ = 7275849600.

The previous prime is 25468402721. The next prime is 25468402759. The reversal of 25468402722 is 22720486452.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (25468402721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 397822 + ... + 457382.

It is an arithmetic number, because the mean of its divisors is an integer number (1819380852).

Almost surely, 2^25468402722 is an apocalyptic number.

25468402722 is an abundant number, since it is smaller than the sum of its proper divisors (32751784542).

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

25468402722 is a wasteful number, since it uses less digits than its factorization.

25468402722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69754.

The product of its (nonzero) digits is 430080, while the sum is 42.

The spelling of 25468402722 in words is "twenty-five billion, four hundred sixty-eight million, four hundred two thousand, seven hundred twenty-two".