4155242250 has 64 divisors (see below), whose sum is σ = 10413277056. Its totient is φ = 1103600000.

The previous prime is 4155242219. The next prime is 4155242309. The reversal of 4155242250 is 522425514.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 177214 + ... + 199286.

It is an arithmetic number, because the mean of its divisors is an integer number (162707454).

Almost surely, 2^4155242250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4155242250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5206638528).

4155242250 is an abundant number, since it is smaller than the sum of its proper divisors (6258034806).

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

4155242250 is a wasteful number, since it uses less digits than its factorization.

4155242250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22344 (or 22334 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 4155242250 is about 64461.1685435503. The cubic root of 4155242250 is about 1607.6769410832.

Adding to 4155242250 its reverse (522425514), we get a palindrome (4677667764).

The spelling of 4155242250 in words is "four billion, one hundred fifty-five million, two hundred forty-two thousand, two hundred fifty".