25650354136620 has 48 divisors (see below), whose sum is σ = 71822322915840. Its totient is φ = 6839967642816.

The previous prime is 25650354136579. The next prime is 25650354136621. The reversal of 25650354136620 is 2663145305652.

It is a happy number.

It is a super-3 number, since 3×25650354136620³ (a number of 41 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25650354136620.

It is not an unprimeable number, because it can be changed into a prime (25650354136621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 676002 + ... + 7194281.

It is an arithmetic number, because the mean of its divisors is an integer number (1496298394080).

Almost surely, 2^{25650354136620} is an apocalyptic number.

25650354136620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25650354136620 is an abundant number, since it is smaller than the sum of its proper divisors (46171968779220).

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

25650354136620 is a wasteful number, since it uses less digits than its factorization.

25650354136620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7924614 (or 7924612 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 48.

The spelling of 25650354136620 in words is "twenty-five trillion, six hundred fifty billion, three hundred fifty-four million, one hundred thirty-six thousand, six hundred twenty".