25458416372 has 6 divisors (see below), whose sum is σ = 44552228658. Its totient is φ = 12729208184.

The previous prime is 25458416353. The next prime is 25458416449. The reversal of 25458416372 is 27361485452.

It can be written as a sum of positive squares in only one way, i.e., 22226039056 + 3232377316 = 149084^2 + 56854^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3182302043 + ... + 3182302050.

It is an arithmetic number, because the mean of its divisors is an integer number (7425371443).

Almost surely, 2^25458416372 is an apocalyptic number.

It is an amenable number.

25458416372 is a deficient number, since it is larger than the sum of its proper divisors (19093812286).

25458416372 is a wasteful number, since it uses less digits than its factorization.

25458416372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6364604097 (or 6364604095 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 47.

The spelling of 25458416372 in words is "twenty-five billion, four hundred fifty-eight million, four hundred sixteen thousand, three hundred seventy-two".