1982880315 has 24 divisors (see below), whose sum is σ = 3701377680. Its totient is φ = 976186944.

The previous prime is 1982880313. The next prime is 1982880407. The reversal of 1982880315 is 5130882891.

It is a happy number.

1982880315 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1982880315 - 2¹ = 1982880313 is a prime.

It is a super-2 number, since 2×1982880315² = 7863628687228998450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (1982880313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1694185 + ... + 1695354.

It is an arithmetic number, because the mean of its divisors is an integer number (154224070).

Almost surely, 2^1982880315 is an apocalyptic number.

1982880315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1982880315 is a deficient number, since it is larger than the sum of its proper divisors (1718497365).

1982880315 is a wasteful number, since it uses less digits than its factorization.

1982880315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3389563 (or 3389560 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 45.

The square root of 1982880315 is about 44529.5442936485. The cubic root of 1982880315 is about 1256.3158349696.

The spelling of 1982880315 in words is "one billion, nine hundred eighty-two million, eight hundred eighty thousand, three hundred fifteen".