25416947860 has 48 divisors (see below), whose sum is σ = 56922022080. Its totient is φ = 9499875840.

The previous prime is 25416947839. The next prime is 25416947863. The reversal of 25416947860 is 6874961452.

It is a junction number, because it is equal to n+sod(n) for n = 25416947798 and 25416947807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25416947863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221646 + ... + 316165.

It is an arithmetic number, because the mean of its divisors is an integer number (1185875460).

Almost surely, 2^25416947860 is an apocalyptic number.

25416947860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25416947860 is an abundant number, since it is smaller than the sum of its proper divisors (31505074220).

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

25416947860 is a wasteful number, since it uses less digits than its factorization.

25416947860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537976 (or 537974 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 25416947860 in words is "twenty-five billion, four hundred sixteen million, nine hundred forty-seven thousand, eight hundred sixty".