42395988270 has 64 divisors (see below), whose sum is σ = 105382840320. Its totient is φ = 10902907008.

The previous prime is 42395988247. The next prime is 42395988293. The reversal of 42395988270 is 7288959324.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42395988247) and next prime (42395988293).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42395988270.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 722577 + ... + 779043.

It is an arithmetic number, because the mean of its divisors is an integer number (1646606880).

Almost surely, 2^42395988270 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42395988270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52691420160).

42395988270 is an abundant number, since it is smaller than the sum of its proper divisors (62986852050).

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

42395988270 is a wasteful number, since it uses less digits than its factorization.

42395988270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57369.

The product of its (nonzero) digits is 8709120, while the sum is 57.

The spelling of 42395988270 in words is "forty-two billion, three hundred ninety-five million, nine hundred eighty-eight thousand, two hundred seventy".