442415431312545 has 64 divisors (see below), whose sum is σ = 715773143796480. Its totient is φ = 233327775744000.

The previous prime is 442415431312537. The next prime is 442415431312549. The reversal of 442415431312545 is 545213134514244.

It is not a de Polignac number, because 442415431312545 - 2³ = 442415431312537 is a prime.

It is a super-2 number, since 2×442415431312545² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 442415431312494 and 442415431312503.

It is not an unprimeable number, because it can be changed into a prime (442415431312549) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1678730385 + ... + 1678993905.

It is an arithmetic number, because the mean of its divisors is an integer number (11183955371820).

Almost surely, 2^{442415431312545} is an apocalyptic number.

It is an amenable number.

442415431312545 is a deficient number, since it is larger than the sum of its proper divisors (273357712483935).

442415431312545 is a wasteful number, since it uses less digits than its factorization.

442415431312545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265666.

The product of its digits is 4608000, while the sum is 48.

Adding to 442415431312545 its reverse (545213134514244), we get a palindrome (987628565826789).

The spelling of 442415431312545 in words is "four hundred forty-two trillion, four hundred fifteen billion, four hundred thirty-one million, three hundred twelve thousand, five hundred forty-five".