25002213768 has 48 divisors (see below), whose sum is σ = 77387806080. Its totient is φ = 7143489504.

The previous prime is 25002213739. The next prime is 25002213781. The reversal of 25002213768 is 86731220052.

It is a super-2 number, since 2×25002213768² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24803280 + ... + 24804287.

It is an arithmetic number, because the mean of its divisors is an integer number (1612245960).

Almost surely, 2^25002213768 is an apocalyptic number.

25002213768 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25002213768 is an abundant number, since it is smaller than the sum of its proper divisors (52385592312).

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

25002213768 is a wasteful number, since it uses less digits than its factorization.

25002213768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49607586 (or 49607579 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 25002213768 in words is "twenty-five billion, two million, two hundred thirteen thousand, seven hundred sixty-eight".