401426245 has 16 divisors (see below), whose sum is σ = 548353152. Its totient is φ = 279252160.

The previous prime is 401426231. The next prime is 401426251. The reversal of 401426245 is 542624104.

It is a de Polignac number, because none of the positive numbers 2^k-401426245 is a prime.

It is a super-2 number, since 2×401426245² = 322286060349600050, which contains 22 as substring.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 157402 + ... + 159931.

It is an arithmetic number, because the mean of its divisors is an integer number (34272072).

Almost surely, 2^401426245 is an apocalyptic number.

It is an amenable number.

401426245 is a deficient number, since it is larger than the sum of its proper divisors (146926907).

401426245 is a wasteful number, since it uses less digits than its factorization.

401426245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317372.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 401426245 is about 20035.6243975575. The cubic root of 401426245 is about 737.6809828741.

The spelling of 401426245 in words is "four hundred one million, four hundred twenty-six thousand, two hundred forty-five".