250143040 has 224 divisors, whose sum is σ = 724204800. Its totient is φ = 82188288.

The previous prime is 250143031. The next prime is 250143043. The reversal of 250143040 is 40341052.

It is a tau number, because it is divible by the number of its divisors (224).

It is a junction number, because it is equal to n+sod(n) for n = 250142999 and 250143017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250143043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4719654 + ... + 4719706.

Almost surely, 2^250143040 is an apocalyptic number.

250143040 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 250143040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (362102400).

250143040 is an abundant number, since it is smaller than the sum of its proper divisors (474061760).

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

250143040 is an equidigital number, since it uses as much as digits as its factorization.

250143040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134 (or 110 counting only the distinct ones).

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

The square root of 250143040 is about 15815.9109759761. The cubic root of 250143040 is about 630.0806481118.

Adding to 250143040 its reverse (40341052), we get a palindrome (290484092).

The spelling of 250143040 in words is "two hundred fifty million, one hundred forty-three thousand, forty".