42723236416 has 63 divisors (see below), whose sum is σ = 98647105347. Its totient is φ = 18304997760.

The previous prime is 42723236377. The next prime is 42723236461. The reversal of 42723236416 is 61463232724.

The square root of 42723236416 is 206696.

It is a perfect power (a square), and thus also a powerful number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11573131 + ... + 11576821.

It is an arithmetic number, because the mean of its divisors is an integer number (1565827069).

Almost surely, 2^42723236416 is an apocalyptic number.

42723236416 is the 206696-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42723236416

42723236416 is an abundant number, since it is smaller than the sum of its proper divisors (55923868931).

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

42723236416 is an frugal number, since it uses more digits than its factorization.

42723236416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7408 (or 3700 counting only the distinct ones).

The product of its digits is 290304, while the sum is 40.

The spelling of 42723236416 in words is "forty-two billion, seven hundred twenty-three million, two hundred thirty-six thousand, four hundred sixteen".