25033320340 has 24 divisors (see below), whose sum is σ = 60079969152. Its totient is φ = 8582852640.

The previous prime is 25033320329. The next prime is 25033320373. The reversal of 25033320340 is 4302333052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89404576 + ... + 89404855.

It is an arithmetic number, because the mean of its divisors is an integer number (2503332048).

Almost surely, 2^25033320340 is an apocalyptic number.

25033320340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25033320340 is an abundant number, since it is smaller than the sum of its proper divisors (35046648812).

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

25033320340 is a wasteful number, since it uses less digits than its factorization.

25033320340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178809447 (or 178809445 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 25.

Adding to 25033320340 its reverse (4302333052), we get a palindrome (29335653392).

The spelling of 25033320340 in words is "twenty-five billion, thirty-three million, three hundred twenty thousand, three hundred forty".