4388870115 has 64 divisors (see below), whose sum is σ = 8976414720. Its totient is φ = 1992988800.

The previous prime is 4388870077. The next prime is 4388870131. The reversal of 4388870115 is 5110788834.

It is a happy number.

Together with 4587544604 it forms a betrothed pair.

It is not a de Polignac number, because 4388870115 - 2¹¹ = 4388868067 is a prime.

It is a super-2 number, since 2×4388870115² = 38524361772680226450, which contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 127317 + ... + 158073.

It is an arithmetic number, because the mean of its divisors is an integer number (140256480).

Almost surely, 2^4388870115 is an apocalyptic number.

4388870115 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4388870115 is an abundant number, since it is smaller than the sum of its proper divisors (4587544605).

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

4388870115 is a wasteful number, since it uses less digits than its factorization.

4388870115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30929 (or 30923 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 45.

The square root of 4388870115 is about 66248.5480218246. The cubic root of 4388870115 is about 1637.2597152622.

It can be divided in two parts, 43888 and 70115, that added together give a triangular number (114003 = T₄₇₇).

The spelling of 4388870115 in words is "four billion, three hundred eighty-eight million, eight hundred seventy thousand, one hundred fifteen".