802445240 has 96 divisors (see below), whose sum is σ = 1938893760. Its totient is φ = 298771200.

The previous prime is 802445213. The next prime is 802445269. The reversal of 802445240 is 42544208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 880385 + ... + 881295.

It is an arithmetic number, because the mean of its divisors is an integer number (20196810).

Almost surely, 2^802445240 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 802445240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (969446880).

802445240 is an abundant number, since it is smaller than the sum of its proper divisors (1136448520).

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

802445240 is a wasteful number, since it uses less digits than its factorization.

802445240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021 (or 998 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 29.

The square root of 802445240 is about 28327.4644117683. The cubic root of 802445240 is about 929.2626212670.

Adding to 802445240 its reverse (42544208), we get a palindrome (844989448).

The spelling of 802445240 in words is "eight hundred two million, four hundred forty-five thousand, two hundred forty".