25158075340 has 12 divisors (see below), whose sum is σ = 52831958256. Its totient is φ = 10063230128.

The previous prime is 25158075323. The next prime is 25158075359. The reversal of 25158075340 is 4357085152.

It is a super-2 number, since 2×25158075340² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25158075293 and 25158075302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 628951864 + ... + 628951903.

It is an arithmetic number, because the mean of its divisors is an integer number (4402663188).

Almost surely, 2^25158075340 is an apocalyptic number.

25158075340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25158075340 is an abundant number, since it is smaller than the sum of its proper divisors (27673882916).

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

25158075340 is a wasteful number, since it uses less digits than its factorization.

25158075340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257903776 (or 1257903774 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 40.

The spelling of 25158075340 in words is "twenty-five billion, one hundred fifty-eight million, seventy-five thousand, three hundred forty".