42722867852 has 48 divisors (see below), whose sum is σ = 86240275968. Its totient is φ = 18140267520.

The previous prime is 42722867849. The next prime is 42722867861. The reversal of 42722867852 is 25876822724.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 42722867794 and 42722867803.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1420652 + ... + 1450412.

It is an arithmetic number, because the mean of its divisors is an integer number (1796672416).

Almost surely, 2^42722867852 is an apocalyptic number.

It is an amenable number.

42722867852 is an abundant number, since it is smaller than the sum of its proper divisors (43517408116).

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

42722867852 is a wasteful number, since it uses less digits than its factorization.

42722867852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30246 (or 30244 counting only the distinct ones).

The product of its digits is 6021120, while the sum is 53.

The spelling of 42722867852 in words is "forty-two billion, seven hundred twenty-two million, eight hundred sixty-seven thousand, eight hundred fifty-two".