401545250 has 32 divisors (see below), whose sum is σ = 753807600. Its totient is φ = 160166400.

The previous prime is 401545237. The next prime is 401545289. The reversal of 401545250 is 52545104.

It can be written as a sum of positive squares in 8 ways, for example, as 1825201 + 399720049 = 1351^2 + 19993^2 .

It is a super-2 number, since 2×401545250² = 322477175595125000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95186 + ... + 99314.

Almost surely, 2^401545250 is an apocalyptic number.

401545250 is a deficient number, since it is larger than the sum of its proper divisors (352262350).

401545250 is a wasteful number, since it uses less digits than its factorization.

401545250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4535 (or 4525 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 401545250 is about 20038.5940125549. The cubic root of 401545250 is about 737.7538721888.

The spelling of 401545250 in words is "four hundred one million, five hundred forty-five thousand, two hundred fifty".