401345534 has 16 divisors (see below), whose sum is σ = 613236096. Its totient is φ = 196959000.

The previous prime is 401345533. The next prime is 401345573. The reversal of 401345534 is 435543104.

It is a super-2 number, since 2×401345534² = 322156475323490312, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 401345497 and 401345506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401345533) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 26009 + ... + 38459.

It is an arithmetic number, because the mean of its divisors is an integer number (38327256).

Almost surely, 2^401345534 is an apocalyptic number.

401345534 is a deficient number, since it is larger than the sum of its proper divisors (211890562).

401345534 is a wasteful number, since it uses less digits than its factorization.

401345534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12751.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 401345534 is about 20033.6101090143. The cubic root of 401345534 is about 737.6315400343.

Adding to 401345534 its reverse (435543104), we get a palindrome (836888638).

The spelling of 401345534 in words is "four hundred one million, three hundred forty-five thousand, five hundred thirty-four".