42651110664 has 48 divisors (see below), whose sum is σ = 115525163520. Its totient is φ = 14215592160.

The previous prime is 42651110639. The next prime is 42651110669. The reversal of 42651110664 is 46601115624.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (42651110669) 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, 868249 + ... + 916055.

It is an arithmetic number, because the mean of its divisors is an integer number (2406774240).

Almost surely, 2^42651110664 is an apocalyptic number.

It is an amenable number.

42651110664 is an abundant number, since it is smaller than the sum of its proper divisors (72874052856).

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

42651110664 is a wasteful number, since it uses less digits than its factorization.

42651110664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60210 (or 60203 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 42651110664 in words is "forty-two billion, six hundred fifty-one million, one hundred ten thousand, six hundred sixty-four".