842301240 has 128 divisors (see below), whose sum is σ = 2773854720. Its totient is φ = 202918400.

The previous prime is 842301233. The next prime is 842301269. The reversal of 842301240 is 42103248.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 842301240.

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, 218530 + ... + 222350.

It is an arithmetic number, because the mean of its divisors is an integer number (21670740).

Almost surely, 2^842301240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 842301240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1386927360).

842301240 is an abundant number, since it is smaller than the sum of its proper divisors (1931553480).

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

842301240 is a wasteful number, since it uses less digits than its factorization.

842301240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4013 (or 4009 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 842301240 is about 29022.4265008975. The cubic root of 842301240 is about 944.3996410683.

Adding to 842301240 its reverse (42103248), we get a palindrome (884404488).

The spelling of 842301240 in words is "eight hundred forty-two million, three hundred one thousand, two hundred forty".