25822787380 has 48 divisors (see below), whose sum is σ = 58414535424. Its totient is φ = 9532068480.

The previous prime is 25822787351. The next prime is 25822787413. The reversal of 25822787380 is 8378722852.

It is a super-3 number, since 3×25822787380³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1196485 + ... + 1217875.

It is an arithmetic number, because the mean of its divisors is an integer number (1216969488).

Almost surely, 2^25822787380 is an apocalyptic number.

25822787380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25822787380 is an abundant number, since it is smaller than the sum of its proper divisors (32591748044).

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

25822787380 is a wasteful number, since it uses less digits than its factorization.

25822787380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26056 (or 26054 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 52.

The spelling of 25822787380 in words is "twenty-five billion, eight hundred twenty-two million, seven hundred eighty-seven thousand, three hundred eighty".