400143132023194 has 64 divisors (see below), whose sum is σ = 764587450448640. Its totient is φ = 152897340579840.

The previous prime is 400143132023161. The next prime is 400143132023263. The reversal of 400143132023194 is 491320231341004.

It is a happy number.

It is a super-4 number, since 4×400143132023194⁴ (a number of 60 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65903734 + ... + 71718814.

It is an arithmetic number, because the mean of its divisors is an integer number (11946678913260).

Almost surely, 2^{400143132023194} is an apocalyptic number.

400143132023194 is a deficient number, since it is larger than the sum of its proper divisors (364444318425446).

400143132023194 is a wasteful number, since it uses less digits than its factorization.

400143132023194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5830343.

The product of its (nonzero) digits is 62208, while the sum is 37.

Adding to 400143132023194 its reverse (491320231341004), we get a palindrome (891463363364198).

The spelling of 400143132023194 in words is "four hundred trillion, one hundred forty-three billion, one hundred thirty-two million, twenty-three thousand, one hundred ninety-four".