502406021022 has 16 divisors (see below), whose sum is σ = 1028179764480. Its totient is φ = 163574053272.

The previous prime is 502406020999. The next prime is 502406021057. The reversal of 502406021022 is 220120604205.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 502406020983 and 502406021001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 973654822 + ... + 973655337.

It is an arithmetic number, because the mean of its divisors is an integer number (64261235280).

Almost surely, 2^502406021022 is an apocalyptic number.

502406021022 is an abundant number, since it is smaller than the sum of its proper divisors (525773743458).

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

502406021022 is a wasteful number, since it uses less digits than its factorization.

502406021022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1947310207.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 502406021022 its reverse (220120604205), we get a palindrome (722526625227).

The spelling of 502406021022 in words is "five hundred two billion, four hundred six million, twenty-one thousand, twenty-two".