25070075450 has 48 divisors (see below), whose sum is σ = 53304713280. Its totient is φ = 8593374720.

The previous prime is 25070075431. The next prime is 25070075479. The reversal of 25070075450 is 5457007052.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 25070075450.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2375786 + ... + 2386314.

It is an arithmetic number, because the mean of its divisors is an integer number (1110514860).

Almost surely, 2^25070075450 is an apocalyptic number.

25070075450 is an abundant number, since it is smaller than the sum of its proper divisors (28234637830).

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

25070075450 is a wasteful number, since it uses less digits than its factorization.

25070075450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17351 (or 17346 counting only the distinct ones).

The product of its (nonzero) digits is 49000, while the sum is 35.

The spelling of 25070075450 in words is "twenty-five billion, seventy million, seventy-five thousand, four hundred fifty".