25152165340 has 48 divisors (see below), whose sum is σ = 53860847040. Its totient is φ = 9864460800.

The previous prime is 25152165299. The next prime is 25152165349. The reversal of 25152165340 is 4356125152.

It is a junction number, because it is equal to n+sod(n) for n = 25152165296 and 25152165305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25152165349) 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, 147616 + ... + 268504.

It is an arithmetic number, because the mean of its divisors is an integer number (1122100980).

Almost surely, 2^25152165340 is an apocalyptic number.

25152165340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25152165340 is an abundant number, since it is smaller than the sum of its proper divisors (28708681700).

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

25152165340 is a wasteful number, since it uses less digits than its factorization.

25152165340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121102 (or 121100 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 25152165340 in words is "twenty-five billion, one hundred fifty-two million, one hundred sixty-five thousand, three hundred forty".