42645485800 has 48 divisors (see below), whose sum is σ = 101569085100. Its totient is φ = 16642137600.

The previous prime is 42645485741. The next prime is 42645485803. The reversal of 42645485800 is 858454624.

It can be written as a sum of positive squares in 6 ways, for example, as 314069284 + 42331416516 = 17722^2 + 205746^2 .

It is not an unprimeable number, because it can be changed into a prime (42645485803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2592135 + ... + 2608534.

Almost surely, 2^42645485800 is an apocalyptic number.

42645485800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42645485800 is an abundant number, since it is smaller than the sum of its proper divisors (58923599300).

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

42645485800 is a wasteful number, since it uses less digits than its factorization.

42645485800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5200726 (or 5200717 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 46.

The spelling of 42645485800 in words is "forty-two billion, six hundred forty-five million, four hundred eighty-five thousand, eight hundred".