16030442 has 4 divisors (see below), whose sum is σ = 24045666. Its totient is φ = 8015220.

The previous prime is 16030423. The next prime is 16030459. The reversal of 16030442 is 24403061.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24403061 = 577 ⋅42293.

It can be written as a sum of positive squares in only one way, i.e., 9066121 + 6964321 = 3011^2 + 2639^2 .

It is a super-3 number, since 3×16030442³ (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4007609 + ... + 4007612.

Almost surely, 2^16030442 is an apocalyptic number.

16030442 is a deficient number, since it is larger than the sum of its proper divisors (8015224).

16030442 is an equidigital number, since it uses as much as digits as its factorization.

16030442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8015223.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 16030442 is about 4003.8034417289. The cubic root of 16030442 is about 252.1439192187.

The spelling of 16030442 in words is "sixteen million, thirty thousand, four hundred forty-two".