442237621245 has 32 divisors (see below), whose sum is σ = 828386576640. Its totient is φ = 197234895360.

The previous prime is 442237621229. The next prime is 442237621333. The reversal of 442237621245 is 542126732244.

It is not a de Polignac number, because 442237621245 - 2⁴ = 442237621229 is a prime.

It is a super-2 number, since 2×442237621245² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 442237621197 and 442237621206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51358950 + ... + 51367559.

It is an arithmetic number, because the mean of its divisors is an integer number (25887080520).

Almost surely, 2^442237621245 is an apocalyptic number.

It is an amenable number.

442237621245 is a deficient number, since it is larger than the sum of its proper divisors (386148955395).

442237621245 is a wasteful number, since it uses less digits than its factorization.

442237621245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102726565.

The product of its digits is 645120, while the sum is 42.

The spelling of 442237621245 in words is "four hundred forty-two billion, two hundred thirty-seven million, six hundred twenty-one thousand, two hundred forty-five".