442675490787 has 48 divisors (see below), whose sum is σ = 676679635008. Its totient is φ = 278287764480.

The previous prime is 442675490753. The next prime is 442675490941. The reversal of 442675490787 is 787094576244.

442675490787 is a `hidden beast` number, since 4 + 4 + 2 + 6 + 7 + 549 + 0 + 7 + 87 = 666.

It is not a de Polignac number, because 442675490787 - 2²³ = 442667102179 is a prime.

It is a super-2 number, since 2×442675490787² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (442675490707) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39600343 + ... + 39611519.

It is an arithmetic number, because the mean of its divisors is an integer number (14097492396).

Almost surely, 2^442675490787 is an apocalyptic number.

442675490787 is a deficient number, since it is larger than the sum of its proper divisors (234004144221).

442675490787 is a wasteful number, since it uses less digits than its factorization.

442675490787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13900 (or 13897 counting only the distinct ones).

The product of its (nonzero) digits is 94832640, while the sum is 63.

The spelling of 442675490787 in words is "four hundred forty-two billion, six hundred seventy-five million, four hundred ninety thousand, seven hundred eighty-seven".