442378414 has 16 divisors (see below), whose sum is σ = 668787408. Its totient is φ = 219454272.

The previous prime is 442378381. The next prime is 442378457. The reversal of 442378414 is 414873244.

It is a super-2 number, since 2×442378414² = 391397322346310792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357004 + ... + 358240.

It is an arithmetic number, because the mean of its divisors is an integer number (41799213).

Almost surely, 2^442378414 is an apocalyptic number.

442378414 is a deficient number, since it is larger than the sum of its proper divisors (226408994).

442378414 is a wasteful number, since it uses less digits than its factorization.

442378414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2499.

The product of its digits is 86016, while the sum is 37.

The square root of 442378414 is about 21032.7937754355. The cubic root of 442378414 is about 761.9584840625.

The spelling of 442378414 in words is "four hundred forty-two million, three hundred seventy-eight thousand, four hundred fourteen".