15642346308 has 48 divisors (see below), whose sum is σ = 37808830080. Its totient is φ = 5027459584.

The previous prime is 15642346283. The next prime is 15642346331. The reversal of 15642346308 is 80364324651.

It is a self number, because there is not a number n which added to its sum of digits gives 15642346308.

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, 228316 + ... + 288812.

It is an arithmetic number, because the mean of its divisors is an integer number (787683960).

Almost surely, 2^15642346308 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15642346308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18904415040).

15642346308 is an abundant number, since it is smaller than the sum of its proper divisors (22166483772).

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

15642346308 is a wasteful number, since it uses less digits than its factorization.

15642346308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61276 (or 61274 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 15642346308 in words is "fifteen billion, six hundred forty-two million, three hundred forty-six thousand, three hundred eight".