25870062400 has 168 divisors, whose sum is σ = 78346929920. Its totient is φ = 8187402240.

The previous prime is 25870062377. The next prime is 25870062401. The reversal of 25870062400 is 426007852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25870062401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56761 + ... + 234439.

Almost surely, 2^25870062400 is an apocalyptic number.

25870062400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25870062400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39173464960).

25870062400 is an abundant number, since it is smaller than the sum of its proper divisors (52476867520).

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

25870062400 is a wasteful number, since it uses less digits than its factorization.

25870062400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177721 (or 177706 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The spelling of 25870062400 in words is "twenty-five billion, eight hundred seventy million, sixty-two thousand, four hundred".