42945101824 has 45 divisors (see below), whose sum is σ = 85940665027. Its totient is φ = 21459288064.

The previous prime is 42945101809. The next prime is 42945101831. The reversal of 42945101824 is 42810154924.

The square root of 42945101824 is 207232.

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

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 26524887 + ... + 26526505.

Almost surely, 2^42945101824 is an apocalyptic number.

42945101824 is the 207232-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42945101824

42945101824 is an abundant number, since it is smaller than the sum of its proper divisors (42995563203).

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

42945101824 is an frugal number, since it uses more digits than its factorization.

42945101824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3266 (or 1621 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The spelling of 42945101824 in words is "forty-two billion, nine hundred forty-five million, one hundred one thousand, eight hundred twenty-four".