250000013824 has 80 divisors (see below), whose sum is σ = 546785316000. Its totient is φ = 113247784960.

The previous prime is 250000013819. The next prime is 250000013827. The reversal of 250000013824 is 428310000052.

It is a super-2 number, since 2×250000013824² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (250000013827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1574427 + ... + 1725925.

It is an arithmetic number, because the mean of its divisors is an integer number (6834816450).

Almost surely, 2^250000013824 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 250000013824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273392658000).

250000013824 is an abundant number, since it is smaller than the sum of its proper divisors (296785302176).

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

250000013824 is a wasteful number, since it uses less digits than its factorization.

250000013824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151821 (or 151805 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 250000013824 its reverse (428310000052), we get a palindrome (678310013876).

The spelling of 250000013824 in words is "two hundred fifty billion, thirteen thousand, eight hundred twenty-four".