401355404034 has 32 divisors (see below), whose sum is σ = 902042918784. Its totient is φ = 118124666880.

The previous prime is 401355404029. The next prime is 401355404059. The reversal of 401355404034 is 430404553104.

It is a happy number.

It is a super-3 number, since 3×401355404034³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 401355403986 and 401355404004.

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 15 ways as a sum of consecutive naturals, for example, 111858687 + ... + 111862274.

It is an arithmetic number, because the mean of its divisors is an integer number (28188841212).

Almost surely, 2^401355404034 is an apocalyptic number.

401355404034 is an abundant number, since it is smaller than the sum of its proper divisors (500687514750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401355404034 is a wasteful number, since it uses less digits than its factorization.

401355404034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223721002.

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 401355404034 its reverse (430404553104), we get a palindrome (831759957138).

The spelling of 401355404034 in words is "four hundred one billion, three hundred fifty-five million, four hundred four thousand, thirty-four".