400142043001 has 8 divisors (see below), whose sum is σ = 409710375360. Its totient is φ = 390585651792.

The previous prime is 400142042897. The next prime is 400142043011. The reversal of 400142043001 is 100340241004.

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

It is a cyclic number.

It is not a de Polignac number, because 400142043001 - 2⁷ = 400142042873 is a prime.

It is a super-2 number, since 2×400142043001² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 400142043001.

It is not an unprimeable number, because it can be changed into a prime (400142043011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2917450 + ... + 3051523.

It is an arithmetic number, because the mean of its divisors is an integer number (51213796920).

Almost surely, 2^400142043001 is an apocalyptic number.

It is an amenable number.

400142043001 is a deficient number, since it is larger than the sum of its proper divisors (9568332359).

400142043001 is a wasteful number, since it uses less digits than its factorization.

400142043001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5970575.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 400142043001 its reverse (100340241004), we get a palindrome (500482284005).

The spelling of 400142043001 in words is "four hundred billion, one hundred forty-two million, forty-three thousand, one".