401324355 has 64 divisors (see below), whose sum is σ = 788382720. Its totient is φ = 192665088.

The previous prime is 401324353. The next prime is 401324369. The reversal of 401324355 is 553423104.

It is not a de Polignac number, because 401324355 - 2¹ = 401324353 is a prime.

It is a super-2 number, since 2×401324355² = 322122475832332050, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (401324353) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 48984 + ... + 56586.

It is an arithmetic number, because the mean of its divisors is an integer number (12318480).

Almost surely, 2^401324355 is an apocalyptic number.

401324355 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

401324355 is a deficient number, since it is larger than the sum of its proper divisors (387058365).

401324355 is a wasteful number, since it uses less digits than its factorization.

401324355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7657 (or 7651 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 401324355 is about 20033.0815153336. The cubic root of 401324355 is about 737.6185648696.

Adding to 401324355 its reverse (553423104), we get a palindrome (954747459).

The spelling of 401324355 in words is "four hundred one million, three hundred twenty-four thousand, three hundred fifty-five".