400140003401 has 16 divisors (see below), whose sum is σ = 425543960640. Its totient is φ = 375180180480.

The previous prime is 400140003383. The next prime is 400140003469. The reversal of 400140003401 is 104300041004.

It is a cyclic number.

It is not a de Polignac number, because 400140003401 - 2³⁴ = 382960134217 is a prime.

It is a super-2 number, since 2×400140003401² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 400140003401.

It is not an unprimeable number, because it can be changed into a prime (400140000401) 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 15 ways as a sum of consecutive naturals, for example, 1348721 + ... + 1618433.

It is an arithmetic number, because the mean of its divisors is an integer number (26596497540).

Almost surely, 2^400140003401 is an apocalyptic number.

It is an amenable number.

400140003401 is a deficient number, since it is larger than the sum of its proper divisors (25403957239).

400140003401 is a wasteful number, since it uses less digits than its factorization.

400140003401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270536.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 400140003401 its reverse (104300041004), we get a palindrome (504440044405).

The spelling of 400140003401 in words is "four hundred billion, one hundred forty million, three thousand, four hundred one".