442031115 has 8 divisors (see below), whose sum is σ = 707249808. Its totient is φ = 235749920.

The previous prime is 442031113. The next prime is 442031129. The reversal of 442031115 is 511130244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 442031115 - 2¹ = 442031113 is a prime.

It is a super-4 number, since 4×442031115⁴ (a number of 36 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 442031091 and 442031100.

It is not an unprimeable number, because it can be changed into a prime (442031113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14734356 + ... + 14734385.

It is an arithmetic number, because the mean of its divisors is an integer number (88406226).

Almost surely, 2^442031115 is an apocalyptic number.

442031115 is a deficient number, since it is larger than the sum of its proper divisors (265218693).

442031115 is a wasteful number, since it uses less digits than its factorization.

442031115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29468749.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 442031115 is about 21024.5360234180. The cubic root of 442031115 is about 761.7590343818.

Adding to 442031115 its reverse (511130244), we get a palindrome (953161359).

The spelling of 442031115 in words is "four hundred forty-two million, thirty-one thousand, one hundred fifteen".