25014641340 has 48 divisors (see below), whose sum is σ = 75428767008. Its totient is φ = 6157449984.

The previous prime is 25014641339. The next prime is 25014641357. The reversal of 25014641340 is 4314641052.

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

It is a junction number, because it is equal to n+sod(n) for n = 25014641298 and 25014641307.

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, 16034247 + ... + 16035806.

It is an arithmetic number, because the mean of its divisors is an integer number (1571432646).

Almost surely, 2^25014641340 is an apocalyptic number.

25014641340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25014641340 is an abundant number, since it is smaller than the sum of its proper divisors (50414125668).

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

25014641340 is a wasteful number, since it uses less digits than its factorization.

25014641340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32070078 (or 32070076 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The spelling of 25014641340 in words is "twenty-five billion, fourteen million, six hundred forty-one thousand, three hundred forty".