401849245 has 12 divisors (see below), whose sum is σ = 560949084. Its totient is φ = 275553600.

The previous prime is 401849237. The next prime is 401849291. The reversal of 401849245 is 542948104.

It can be written as a sum of positive squares in 2 ways, for example, as 52794756 + 349054489 = 7266^2 + 18683^2 .

It is not a de Polignac number, because 401849245 - 2³ = 401849237 is a prime.

It is a super-2 number, since 2×401849245² = 322965631414140050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 819856 + ... + 820345.

It is an arithmetic number, because the mean of its divisors is an integer number (46745757).

Almost surely, 2^401849245 is an apocalyptic number.

It is an amenable number.

401849245 is a deficient number, since it is larger than the sum of its proper divisors (159099839).

401849245 is a wasteful number, since it uses less digits than its factorization.

401849245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640220 (or 1640213 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 401849245 is about 20046.1778152345. The cubic root of 401849245 is about 737.9400005814.

The spelling of 401849245 in words is "four hundred one million, eight hundred forty-nine thousand, two hundred forty-five".