25434016050 has 48 divisors (see below), whose sum is σ = 63104264640. Its totient is φ = 6779403840.

The previous prime is 25434016039. The next prime is 25434016079. The reversal of 25434016050 is 5061043452.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25434015999 and 25434016017.

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, 313611 + ... + 386289.

It is an arithmetic number, because the mean of its divisors is an integer number (1314672180).

Almost surely, 2^25434016050 is an apocalyptic number.

25434016050 is an abundant number, since it is smaller than the sum of its proper divisors (37670248590).

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

25434016050 is a wasteful number, since it uses less digits than its factorization.

25434016050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75027 (or 75022 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 25434016050 in words is "twenty-five billion, four hundred thirty-four million, sixteen thousand, fifty".