442543414 has 48 divisors (see below), whose sum is σ = 728792064. Its totient is φ = 201286800.

The previous prime is 442543411. The next prime is 442543427. The reversal of 442543414 is 414345244.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442543411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3378129 + ... + 3378259.

It is an arithmetic number, because the mean of its divisors is an integer number (15183168).

Almost surely, 2^442543414 is an apocalyptic number.

442543414 is a deficient number, since it is larger than the sum of its proper divisors (286248650).

442543414 is a wasteful number, since it uses less digits than its factorization.

442543414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313 (or 290 counting only the distinct ones).

The product of its digits is 30720, while the sum is 31.

The square root of 442543414 is about 21036.7158558554. The cubic root of 442543414 is about 762.0532050210.

Adding to 442543414 its reverse (414345244), we get a palindrome (856888658).

The spelling of 442543414 in words is "four hundred forty-two million, five hundred forty-three thousand, four hundred fourteen".