42651310072 has 64 divisors (see below), whose sum is σ = 94382807040. Its totient is φ = 17682192000.

The previous prime is 42651310061. The next prime is 42651310129. The reversal of 42651310072 is 27001315624.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6987822 + ... + 6993922.

It is an arithmetic number, because the mean of its divisors is an integer number (1474731360).

Almost surely, 2^42651310072 is an apocalyptic number.

It is an amenable number.

42651310072 is an abundant number, since it is smaller than the sum of its proper divisors (51731496968).

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

42651310072 is a wasteful number, since it uses less digits than its factorization.

42651310072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10172 (or 10168 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

Adding to 42651310072 its reverse (27001315624), we get a palindrome (69652625696).

The spelling of 42651310072 in words is "forty-two billion, six hundred fifty-one million, three hundred ten thousand, seventy-two".