403542400401 has 12 divisors (see below), whose sum is σ = 666165232512. Its totient is φ = 230595657336.

The previous prime is 403542400399. The next prime is 403542400447. The reversal of 403542400401 is 104004245304.

It is a happy number.

403542400401 is a `hidden beast` number, since 40 + 3 + 542 + 40 + 0 + 40 + 1 = 666.

It is not a de Polignac number, because 403542400401 - 2¹ = 403542400399 is a prime.

It is a super-3 number, since 3×403542400401³ (a number of 36 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (403542402401) 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 11 ways as a sum of consecutive naturals, for example, 3202717401 + ... + 3202717526.

It is an arithmetic number, because the mean of its divisors is an integer number (55513769376).

Almost surely, 2^403542400401 is an apocalyptic number.

It is an amenable number.

403542400401 is a deficient number, since it is larger than the sum of its proper divisors (262622832111).

403542400401 is a wasteful number, since it uses less digits than its factorization.

403542400401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6405434940 (or 6405434937 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 403542400401 its reverse (104004245304), we get a palindrome (507546645705).

The spelling of 403542400401 in words is "four hundred three billion, five hundred forty-two million, four hundred thousand, four hundred one".