42227291652 has 48 divisors (see below), whose sum is σ = 121268122752. Its totient is φ = 11136867840.

The previous prime is 42227291647. The next prime is 42227291653. The reversal of 42227291652 is 25619272224.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (42227291653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19333749 + ... + 19335932.

It is an arithmetic number, because the mean of its divisors is an integer number (2526419224).

Almost surely, 2^42227291652 is an apocalyptic number.

42227291652 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

42227291652 is an abundant number, since it is smaller than the sum of its proper divisors (79040831100).

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

42227291652 is a wasteful number, since it uses less digits than its factorization.

42227291652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38669708 (or 38669706 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The spelling of 42227291652 in words is "forty-two billion, two hundred twenty-seven million, two hundred ninety-one thousand, six hundred fifty-two".