401420235 has 16 divisors (see below), whose sum is σ = 680053536. Its totient is φ = 201497088.

The previous prime is 401420231. The next prime is 401420267. The reversal of 401420235 is 532024104.

It is not a de Polignac number, because 401420235 - 2² = 401420231 is a prime.

It is a super-2 number, since 2×401420235² = 322276410134910450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401420231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 786844 + ... + 787353.

It is an arithmetic number, because the mean of its divisors is an integer number (42503346).

Almost surely, 2^401420235 is an apocalyptic number.

401420235 is a deficient number, since it is larger than the sum of its proper divisors (278633301).

401420235 is a wasteful number, since it uses less digits than its factorization.

401420235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1574222.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 401420235 is about 20035.4744141485. The cubic root of 401420235 is about 737.6773014300.

Adding to 401420235 its reverse (532024104), we get a palindrome (933444339).

The spelling of 401420235 in words is "four hundred one million, four hundred twenty thousand, two hundred thirty-five".