42694416 has 30 divisors (see below), whose sum is σ = 119485470. Its totient is φ = 14231424.

The previous prime is 42694403. The next prime is 42694433. The reversal of 42694416 is 61449624.

It can be written as a sum of positive squares in only one way, i.e., 31404816 + 11289600 = 5604^2 + 3360^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

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 5 ways as a sum of consecutive naturals, for example, 148101 + ... + 148388.

It is an arithmetic number, because the mean of its divisors is an integer number (3982849).

Almost surely, 2^42694416 is an apocalyptic number.

It is an amenable number.

42694416 is an abundant number, since it is smaller than the sum of its proper divisors (76791054).

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

42694416 is a wasteful number, since it uses less digits than its factorization.

42694416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296503 (or 296494 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 42694416 is about 6534.0964180214. The cubic root of 42694416 is about 349.5079234636.

The spelling of 42694416 in words is "forty-two million, six hundred ninety-four thousand, four hundred sixteen".