442155302310030 has 16 divisors (see below), whose sum is σ = 1061172725544144. Its totient is φ = 117908080616000.

The previous prime is 442155302309737. The next prime is 442155302310061. The reversal of 442155302310030 is 30013203551244.

It is a super-2 number, since 2×442155302310030² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 442155302309973 and 442155302310000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7369255038471 + ... + 7369255038530.

It is an arithmetic number, because the mean of its divisors is an integer number (66323295346509).

Almost surely, 2^{442155302310030} is an apocalyptic number.

442155302310030 is an abundant number, since it is smaller than the sum of its proper divisors (619017423234114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442155302310030 is a wasteful number, since it uses less digits than its factorization.

442155302310030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14738510077011.

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 442155302310030 its reverse (30013203551244), we get a palindrome (472168505861274).

The spelling of 442155302310030 in words is "four hundred forty-two trillion, one hundred fifty-five billion, three hundred two million, three hundred ten thousand, thirty".