330861942436 has 27 divisors (see below), whose sum is σ = 611126799969. Its totient is φ = 156713724288.

The previous prime is 330861942403. The next prime is 330861942443. The reversal of 330861942436 is 634249168033.

The square root of 330861942436 is 575206.

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

It can be written as a sum of positive squares in only one way, i.e., 200211502500 + 130650439936 = 447450^2 + 361456^2 .

It is a super-2 number, since 2×330861942436² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 330861942436.

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, 21850260 + ... + 21865396.

Almost surely, 2^330861942436 is an apocalyptic number.

330861942436 is the 575206-th square number.

It is an amenable number.

330861942436 is a deficient number, since it is larger than the sum of its proper divisors (280264857533).

330861942436 is an frugal number, since it uses more digits than its factorization.

330861942436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30316 (or 15158 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 49.

Multiplying 330861942436 by its sum of digits (49), we get a square (16212235179364 = 4026442²).

The spelling of 330861942436 in words is "three hundred thirty billion, eight hundred sixty-one million, nine hundred forty-two thousand, four hundred thirty-six".