401341635 has 20 divisors (see below), whose sum is σ = 719442768. Its totient is φ = 214048656.

The previous prime is 401341621. The next prime is 401341639. The reversal of 401341635 is 536143104.

It is not a de Polignac number, because 401341635 - 2¹⁸ = 401079491 is a prime.

It is a super-2 number, since 2×401341635² = 322150215968946450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 401341599 and 401341608.

It is not an unprimeable number, because it can be changed into a prime (401341639) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 495079 + ... + 495888.

Almost surely, 2^401341635 is an apocalyptic number.

401341635 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

401341635 is a deficient number, since it is larger than the sum of its proper divisors (318101133).

401341635 is an equidigital number, since it uses as much as digits as its factorization.

401341635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990984 (or 990975 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 401341635 is about 20033.5127973104. The cubic root of 401341635 is about 737.6291513738.

Adding to 401341635 its reverse (536143104), we get a palindrome (937484739).

The spelling of 401341635 in words is "four hundred one million, three hundred forty-one thousand, six hundred thirty-five".