442131366310 has 32 divisors (see below), whose sum is σ = 847820056032. Its totient is φ = 165428282880.

The previous prime is 442131366277. The next prime is 442131366377. The reversal of 442131366310 is 13663131244.

It is a super-2 number, since 2×442131366310² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7950121 + ... + 8005540.

It is an arithmetic number, because the mean of its divisors is an integer number (26494376751).

Almost surely, 2^442131366310 is an apocalyptic number.

442131366310 is a deficient number, since it is larger than the sum of its proper divisors (405688689722).

442131366310 is a wasteful number, since it uses less digits than its factorization.

442131366310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15955848.

The product of its (nonzero) digits is 31104, while the sum is 34.

Adding to 442131366310 its reverse (13663131244), we get a palindrome (455794497554).

The spelling of 442131366310 in words is "four hundred forty-two billion, one hundred thirty-one million, three hundred sixty-six thousand, three hundred ten".