25022964870 has 192 divisors, whose sum is σ = 70155408960. Its totient is φ = 6165725184.

The previous prime is 25022964859. The next prime is 25022964899. The reversal of 25022964870 is 7846922052.

25022964870 is a `hidden beast` number, since 2 + 502 + 2 + 9 + 64 + 87 + 0 = 666.

It is a super-2 number, since 2×25022964870² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 20628384 + ... + 20629596.

It is an arithmetic number, because the mean of its divisors is an integer number (365392755).

Almost surely, 2^25022964870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25022964870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35077704480).

25022964870 is an abundant number, since it is smaller than the sum of its proper divisors (45132444090).

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

25022964870 is a wasteful number, since it uses less digits than its factorization.

25022964870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479 (or 1476 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 25022964870 in words is "twenty-five billion, twenty-two million, nine hundred sixty-four thousand, eight hundred seventy".