42251335220 has 48 divisors (see below), whose sum is σ = 94006059840. Its totient is φ = 15896400384.

The previous prime is 42251335199. The next prime is 42251335229. The reversal of 42251335220 is 2253315224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42251335229) 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, 514991 + ... + 591369.

It is an arithmetic number, because the mean of its divisors is an integer number (1958459580).

Almost surely, 2^42251335220 is an apocalyptic number.

It is an amenable number.

42251335220 is an abundant number, since it is smaller than the sum of its proper divisors (51754724620).

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

42251335220 is a wasteful number, since it uses less digits than its factorization.

42251335220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78032 (or 78030 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The spelling of 42251335220 in words is "forty-two billion, two hundred fifty-one million, three hundred thirty-five thousand, two hundred twenty".