25846835804416 has 72 divisors (see below), whose sum is σ = 57655708756128. Its totient is φ = 11462011392000.

The previous prime is 25846835804407. The next prime is 25846835804459. The reversal of 25846835804416 is 61440853864852.

It is a happy number.

It is a super-2 number, since 2×25846835804416² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (64).

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, 111818250 + ... + 112049161.

It is an arithmetic number, because the mean of its divisors is an integer number (800773732724).

Almost surely, 2^{25846835804416} is an apocalyptic number.

It is an amenable number.

25846835804416 is an abundant number, since it is smaller than the sum of its proper divisors (31808872951712).

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

25846835804416 is a wasteful number, since it uses less digits than its factorization.

25846835804416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223867479 (or 223867465 counting only the distinct ones).

The product of its (nonzero) digits is 176947200, while the sum is 64.

The spelling of 25846835804416 in words is "twenty-five trillion, eight hundred forty-six billion, eight hundred thirty-five million, eight hundred four thousand, four hundred sixteen".