42919164 has 18 divisors (see below), whose sum is σ = 108490200. Its totient is φ = 14306376.

The previous prime is 42919141. The next prime is 42919181. The reversal of 42919164 is 46191924.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1192199 = 42919164 / (4 + 2 + 9 + 1 + 9 + 1 + 6 + 4).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 596064 + ... + 596135.

Almost surely, 2^42919164 is an apocalyptic number.

It is an amenable number.

42919164 is an abundant number, since it is smaller than the sum of its proper divisors (65571036).

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

42919164 is a wasteful number, since it uses less digits than its factorization.

42919164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192209 (or 1192204 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 42919164 is about 6551.2719375706. The cubic root of 42919164 is about 350.1201329109.

The spelling of 42919164 in words is "forty-two million, nine hundred nineteen thousand, one hundred sixty-four".