4001641250 has 40 divisors (see below), whose sum is σ = 7538836800. Its totient is φ = 1592514000.

The previous prime is 4001641249. The next prime is 4001641307. The reversal of 4001641250 is 521461004.

It is a Curzon number.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 240707 + ... + 256793.

It is an arithmetic number, because the mean of its divisors is an integer number (188470920).

Almost surely, 2^4001641250 is an apocalyptic number.

4001641250 is a deficient number, since it is larger than the sum of its proper divisors (3537195550).

4001641250 is a wasteful number, since it uses less digits than its factorization.

4001641250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16308 (or 16293 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 4001641250 is about 63258.5270931912. The cubic root of 4001641250 is about 1587.6181324453.

The spelling of 4001641250 in words is "four billion, one million, six hundred forty-one thousand, two hundred fifty".