42797435250 has 128 divisors (see below), whose sum is σ = 108629434368. Its totient is φ = 11220945600.

The previous prime is 42797435231. The next prime is 42797435269. The reversal of 42797435250 is 5253479724.

It is an interprime number because it is at equal distance from previous prime (42797435231) and next prime (42797435269).

It is a self number, because there is not a number n which added to its sum of digits gives 42797435250.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13880209 + ... + 13883291.

It is an arithmetic number, because the mean of its divisors is an integer number (848667456).

Almost surely, 2^42797435250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42797435250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54314717184).

42797435250 is an abundant number, since it is smaller than the sum of its proper divisors (65831999118).

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

42797435250 is a wasteful number, since it uses less digits than its factorization.

42797435250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3409 (or 3399 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 48.

The spelling of 42797435250 in words is "forty-two billion, seven hundred ninety-seven million, four hundred thirty-five thousand, two hundred fifty".