288415442 has 32 divisors (see below), whose sum is σ = 504312960. Its totient is φ = 121150080.

The previous prime is 288415433. The next prime is 288415451. The reversal of 288415442 is 244514882.

It is an interprime number because it is at equal distance from previous prime (288415433) and next prime (288415451).

It is a junction number, because it is equal to n+sod(n) for n = 288415396 and 288415405.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 389909 + ... + 390647.

It is an arithmetic number, because the mean of its divisors is an integer number (15759780).

Almost surely, 2^288415442 is an apocalyptic number.

288415442 is a deficient number, since it is larger than the sum of its proper divisors (215897518).

288415442 is a wasteful number, since it uses less digits than its factorization.

288415442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266.

The product of its digits is 81920, while the sum is 38.

The square root of 288415442 is about 16982.7984148667. The cubic root of 288415442 is about 660.7028340839.

The spelling of 288415442 in words is "two hundred eighty-eight million, four hundred fifteen thousand, four hundred forty-two".