42332544645 has 32 divisors (see below), whose sum is σ = 72076780800. Its totient is φ = 21142471680.

The previous prime is 42332544619. The next prime is 42332544671. The reversal of 42332544645 is 54644523324.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42332544619) and next prime (42332544671).

It is not a de Polignac number, because 42332544645 - 2⁶ = 42332544581 is a prime.

It is a super-2 number, since 2×42332544645² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42332544597 and 42332544606.

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, 366366 + ... + 467855.

It is an arithmetic number, because the mean of its divisors is an integer number (2252399400).

Almost surely, 2^42332544645 is an apocalyptic number.

It is an amenable number.

42332544645 is a deficient number, since it is larger than the sum of its proper divisors (29744236155).

42332544645 is a wasteful number, since it uses less digits than its factorization.

42332544645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834445.

The product of its digits is 1382400, while the sum is 42.

The spelling of 42332544645 in words is "forty-two billion, three hundred thirty-two million, five hundred forty-four thousand, six hundred forty-five".