15430205050 has 48 divisors (see below), whose sum is σ = 31904957952. Its totient is φ = 5513515200.

The previous prime is 15430205039. The next prime is 15430205059. The reversal of 15430205050 is 5050203451.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (15430205059) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 362734 + ... + 403033.

It is an arithmetic number, because the mean of its divisors is an integer number (664686624).

Almost surely, 2^15430205050 is an apocalyptic number.

15430205050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15430205050 is an abundant number, since it is smaller than the sum of its proper divisors (16474752902).

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

15430205050 is a wasteful number, since it uses less digits than its factorization.

15430205050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765823 (or 765818 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The spelling of 15430205050 in words is "fifteen billion, four hundred thirty million, two hundred five thousand, fifty".