1520442316 has 12 divisors (see below), whose sum is σ = 2669169888. Its totient is φ = 757822352.

The previous prime is 1520442283. The next prime is 1520442317. The reversal of 1520442316 is 6132440251.

It is not an unprimeable number, because it can be changed into a prime (1520442317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 598276 + ... + 600811.

It is an arithmetic number, because the mean of its divisors is an integer number (222430824).

Almost surely, 2^1520442316 is an apocalyptic number.

It is an amenable number.

1520442316 is a deficient number, since it is larger than the sum of its proper divisors (1148727572).

1520442316 is a wasteful number, since it uses less digits than its factorization.

1520442316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199408 (or 1199406 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1520442316 is about 38992.8495496290. The cubic root of 1520442316 is about 1149.8909325674.

Adding to 1520442316 its reverse (6132440251), we get a palindrome (7652882567).

The spelling of 1520442316 in words is "one billion, five hundred twenty million, four hundred forty-two thousand, three hundred sixteen".