4250321520 has 40 divisors (see below), whose sum is σ = 13175997456. Its totient is φ = 1133419008.

The previous prime is 4250321483. The next prime is 4250321587. The reversal of 4250321520 is 251230524.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×4250321520² = 36130466046750220800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8854597 + ... + 8855076.

Almost surely, 2^4250321520 is an apocalyptic number.

4250321520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4250321520 is an abundant number, since it is smaller than the sum of its proper divisors (8925675936).

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

4250321520 is a wasteful number, since it uses less digits than its factorization.

4250321520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17709689 (or 17709683 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 4250321520 is about 65194.4899512221. The cubic root of 4250321520 is about 1619.8467466670.

The spelling of 4250321520 in words is "four billion, two hundred fifty million, three hundred twenty-one thousand, five hundred twenty".