401413785 has 32 divisors (see below), whose sum is σ = 657756288. Its totient is φ = 208965120.

The previous prime is 401413781. The next prime is 401413799. The reversal of 401413785 is 587314104.

It is not a de Polignac number, because 401413785 - 2² = 401413781 is a prime.

It is a super-2 number, since 2×401413785² = 322266053576052450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401413781) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 166549 + ... + 168941.

It is an arithmetic number, because the mean of its divisors is an integer number (20554884).

Almost surely, 2^401413785 is an apocalyptic number.

It is an amenable number.

401413785 is a deficient number, since it is larger than the sum of its proper divisors (256342503).

401413785 is a wasteful number, since it uses less digits than its factorization.

401413785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2665.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 401413785 is about 20035.3134490080. The cubic root of 401413785 is about 737.6733504217.

Adding to 401413785 its reverse (587314104), we get a palindrome (988727889).

The spelling of 401413785 in words is "four hundred one million, four hundred thirteen thousand, seven hundred eighty-five".