400420420001 has 8 divisors (see below), whose sum is σ = 484542357120. Its totient is φ = 323028237888.

The previous prime is 400420419989. The next prime is 400420420007. The reversal of 400420420001 is 100024024004.

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 400420420001 - 2¹⁰ = 400420418977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400420420007) 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, 1682438621 + ... + 1682438858.

It is an arithmetic number, because the mean of its divisors is an integer number (60567794640).

Almost surely, 2^400420420001 is an apocalyptic number.

It is an amenable number.

400420420001 is a deficient number, since it is larger than the sum of its proper divisors (84121937119).

400420420001 is a wasteful number, since it uses less digits than its factorization.

400420420001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3364877503.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 400420420001 its reverse (100024024004), we get a palindrome (500444444005).

The spelling of 400420420001 in words is "four hundred billion, four hundred twenty million, four hundred twenty thousand, one".