250312420 has 48 divisors (see below), whose sum is σ = 557949168. Its totient is φ = 94003200.

The previous prime is 250312399. The next prime is 250312487. The reversal of 250312420 is 24213052.

It can be written as a sum of positive squares in 8 ways, for example, as 94012416 + 156300004 = 9696^2 + 12502^2 .

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, 207820 + ... + 209020.

It is an arithmetic number, because the mean of its divisors is an integer number (11623941).

Almost surely, 2^250312420 is an apocalyptic number.

250312420 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 250312420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278974584).

250312420 is an abundant number, since it is smaller than the sum of its proper divisors (307636748).

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

250312420 is a wasteful number, since it uses less digits than its factorization.

250312420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1840 (or 1838 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 250312420 is about 15821.2648040541. The cubic root of 250312420 is about 630.2228320674. Note that the first 3 decimals are identical.

Adding to 250312420 its reverse (24213052), we get a palindrome (274525472).

The spelling of 250312420 in words is "two hundred fifty million, three hundred twelve thousand, four hundred twenty".