401434140120534 has 24 divisors (see below), whose sum is σ = 886184799890832. Its totient is φ = 131286637020240.

The previous prime is 401434140120449. The next prime is 401434140120551. The reversal of 401434140120534 is 435021041434104.

It is a happy number.

401434140120534 is a `hidden beast` number, since 4 + 0 + 1 + 4 + 3 + 41 + 401 + 205 + 3 + 4 = 666.

It is a super-2 number, since 2×401434140120534² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 210395250682 + ... + 210395252589.

It is an arithmetic number, because the mean of its divisors is an integer number (36924366662118).

Almost surely, 2^{401434140120534} is an apocalyptic number.

401434140120534 is an abundant number, since it is smaller than the sum of its proper divisors (484750659770298).

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

401434140120534 is a wasteful number, since it uses less digits than its factorization.

401434140120534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420790503332 (or 420790503329 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

Adding to 401434140120534 its reverse (435021041434104), we get a palindrome (836455181554638).

The spelling of 401434140120534 in words is "four hundred one trillion, four hundred thirty-four billion, one hundred forty million, one hundred twenty thousand, five hundred thirty-four".