25761010620 has 48 divisors (see below), whose sum is σ = 75266956800. Its totient is φ = 6570924096.

The previous prime is 25761010609. The next prime is 25761010631. The reversal of 25761010620 is 2601016752.

It is an interprime number because it is at equal distance from previous prime (25761010609) and next prime (25761010631).

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 9332320 + ... + 9335079.

It is an arithmetic number, because the mean of its divisors is an integer number (1568061600).

Almost surely, 2^25761010620 is an apocalyptic number.

25761010620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25761010620 is an abundant number, since it is smaller than the sum of its proper divisors (49505946180).

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

25761010620 is a wasteful number, since it uses less digits than its factorization.

25761010620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18667434 (or 18667432 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The spelling of 25761010620 in words is "twenty-five billion, seven hundred sixty-one million, ten thousand, six hundred twenty".