401465745 has 12 divisors (see below), whose sum is σ = 695874036. Its totient is φ = 214115040.

The previous prime is 401465731. The next prime is 401465789. The reversal of 401465745 is 547564104.

401465745 is a `hidden beast` number, since 40 + 1 + 46 + 574 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 309478464 + 91987281 = 17592^2 + 9591^2 .

It is not a de Polignac number, because 401465745 - 2¹⁴ = 401449361 is a prime.

It is a super-2 number, since 2×401465745² = 322349488816810050, which contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 4460686 + ... + 4460775.

It is an arithmetic number, because the mean of its divisors is an integer number (57989503).

Almost surely, 2^401465745 is an apocalyptic number.

401465745 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

401465745 is a deficient number, since it is larger than the sum of its proper divisors (294408291).

401465745 is a wasteful number, since it uses less digits than its factorization.

401465745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8921472 (or 8921469 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 401465745 is about 20036.6101174824. The cubic root of 401465745 is about 737.7051778070.

The spelling of 401465745 in words is "four hundred one million, four hundred sixty-five thousand, seven hundred forty-five".