1416644542 has 4 divisors (see below), whose sum is σ = 2124966816. Its totient is φ = 708322270.

The previous prime is 1416644521. The next prime is 1416644549. The reversal of 1416644542 is 2454466141.

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: 2454466141 = 67 ⋅36633823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1416644549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 354161134 + ... + 354161137.

It is an arithmetic number, because the mean of its divisors is an integer number (531241704).

Almost surely, 2^1416644542 is an apocalyptic number.

1416644542 is a deficient number, since it is larger than the sum of its proper divisors (708322274).

1416644542 is an equidigital number, since it uses as much as digits as its factorization.

1416644542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708322273.

The product of its digits is 92160, while the sum is 37.

The square root of 1416644542 is about 37638.3387252945. The cubic root of 1416644542 is about 1123.1048367431.

The spelling of 1416644542 in words is "one billion, four hundred sixteen million, six hundred forty-four thousand, five hundred forty-two".