250100064 has 144 divisors (see below), whose sum is σ = 743783040. Its totient is φ = 79626240.

The previous prime is 250100063. The next prime is 250100077. The reversal of 250100064 is 460001052.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250100063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 973024 + ... + 973280.

It is an arithmetic number, because the mean of its divisors is an integer number (5165160).

Almost surely, 2^250100064 is an apocalyptic number.

250100064 is a gapful number since it is divisible by the number (24) 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 250100064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (371891520).

250100064 is an abundant number, since it is smaller than the sum of its proper divisors (493682976).

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

250100064 is a wasteful number, since it uses less digits than its factorization.

250100064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413 (or 402 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 250100064 is about 15814.5522857905. The cubic root of 250100064 is about 630.0445622296.

The spelling of 250100064 in words is "two hundred fifty million, one hundred thousand, sixty-four".