42861288 has 32 divisors (see below), whose sum is σ = 107314560. Its totient is φ = 14265600.

The previous prime is 42861271. The next prime is 42861319. The reversal of 42861288 is 88216824.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28081 + ... + 29567.

It is an arithmetic number, because the mean of its divisors is an integer number (3353580).

Almost surely, 2^42861288 is an apocalyptic number.

It is an amenable number.

42861288 is an abundant number, since it is smaller than the sum of its proper divisors (64453272).

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

42861288 is a wasteful number, since it uses less digits than its factorization.

42861288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2697 (or 2693 counting only the distinct ones).

The product of its digits is 49152, while the sum is 39.

The square root of 42861288 is about 6546.8532899401. The cubic root of 42861288 is about 349.9626844571.

It can be divided in two parts, 428 and 61288, that added together give a palindrome (61716).

The spelling of 42861288 in words is "forty-two million, eight hundred sixty-one thousand, two hundred eighty-eight".