400142044003 has 8 divisors (see below), whose sum is σ = 430984150688. Its totient is φ = 369308787264.

The previous prime is 400142043949. The next prime is 400142044031. The reversal of 400142044003 is 300440241004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400142044003 is a prime.

It is a super-2 number, since 2×400142044003² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (400142044103) 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, 2118426 + ... + 2299567.

It is an arithmetic number, because the mean of its divisors is an integer number (53873018836).

Almost surely, 2^400142044003 is an apocalyptic number.

400142044003 is a deficient number, since it is larger than the sum of its proper divisors (30842106685).

400142044003 is a wasteful number, since it uses less digits than its factorization.

400142044003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4424973.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 400142044003 its reverse (300440241004), we get a palindrome (700582285007).

The spelling of 400142044003 in words is "four hundred billion, one hundred forty-two million, forty-four thousand, three".