42149316 has 24 divisors (see below), whose sum is σ = 107289504. Its totient is φ = 12772480.

The previous prime is 42149311. The next prime is 42149329. The reversal of 42149316 is 61394124.

It is not an unprimeable number, because it can be changed into a prime (42149311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159525 + ... + 159788.

It is an arithmetic number, because the mean of its divisors is an integer number (4470396).

Almost surely, 2^42149316 is an apocalyptic number.

It is an amenable number.

42149316 is an abundant number, since it is smaller than the sum of its proper divisors (65140188).

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

42149316 is a wasteful number, since it uses less digits than its factorization.

42149316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319331 (or 319329 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 42149316 is about 6492.2504572760. The cubic root of 42149316 is about 348.0141030088.

It can be divided in two parts, 4214 and 9316, that added together give a triangular number (13530 = T₁₆₄).

The spelling of 42149316 in words is "forty-two million, one hundred forty-nine thousand, three hundred sixteen".