15723282840 has 32 divisors (see below), whose sum is σ = 47169848880. Its totient is φ = 4192875392.

The previous prime is 15723282833. The next prime is 15723282853. The reversal of 15723282840 is 4828232751.

It is a junction number, because it is equal to n+sod(n) for n = 15723282792 and 15723282801.

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, 65513559 + ... + 65513798.

Almost surely, 2^15723282840 is an apocalyptic number.

15723282840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15723282840 is an abundant number, since it is smaller than the sum of its proper divisors (31446566040).

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

15723282840 is a wasteful number, since it uses less digits than its factorization.

15723282840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131027371 (or 131027367 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The spelling of 15723282840 in words is "fifteen billion, seven hundred twenty-three million, two hundred eighty-two thousand, eight hundred forty".