250223500420 has 48 divisors (see below), whose sum is σ = 542956796928. Its totient is φ = 96764849280.

The previous prime is 250223500411. The next prime is 250223500459. The reversal of 250223500420 is 24005322052.

It is a happy number.

It is a super-2 number, since 2×250223500420² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 428857 + ... + 827263.

It is an arithmetic number, because the mean of its divisors is an integer number (11311599936).

Almost surely, 2^250223500420 is an apocalyptic number.

250223500420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 250223500420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271478398464).

250223500420 is an abundant number, since it is smaller than the sum of its proper divisors (292733296508).

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

250223500420 is a wasteful number, since it uses less digits than its factorization.

250223500420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399460 (or 399458 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

Adding to 250223500420 its reverse (24005322052), we get a palindrome (274228822472).

The spelling of 250223500420 in words is "two hundred fifty billion, two hundred twenty-three million, five hundred thousand, four hundred twenty".