401274545 has 32 divisors (see below), whose sum is σ = 585792000. Its totient is φ = 257596416.

The previous prime is 401274521. The next prime is 401274553. The reversal of 401274545 is 545472104.

401274545 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 401274545 - 2¹² = 401270449 is a prime.

It is a super-2 number, since 2×401274545² = 322042520929914050, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116711 + ... + 120099.

It is an arithmetic number, because the mean of its divisors is an integer number (18306000).

Almost surely, 2^401274545 is an apocalyptic number.

It is an amenable number.

401274545 is a deficient number, since it is larger than the sum of its proper divisors (184517455).

401274545 is a wasteful number, since it uses less digits than its factorization.

401274545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3617.

The product of its (nonzero) digits is 22400, while the sum is 32.

The square root of 401274545 is about 20031.8382830932. The cubic root of 401274545 is about 737.5880473257.

The spelling of 401274545 in words is "four hundred one million, two hundred seventy-four thousand, five hundred forty-five".