400421242124002 has 32 divisors (see below), whose sum is σ = 672810433602048. Its totient is φ = 177148613040000.

The previous prime is 400421242123943. The next prime is 400421242124027. The reversal of 400421242124002 is 200421242124004.

It is a happy number.

It is a super-2 number, since 2×400421242124002² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 526848274 + ... + 527607757.

It is an arithmetic number, because the mean of its divisors is an integer number (21025326050064).

Almost surely, 2^{400421242124002} is an apocalyptic number.

400421242124002 is a deficient number, since it is larger than the sum of its proper divisors (272389191478046).

400421242124002 is a wasteful number, since it uses less digits than its factorization.

400421242124002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054456506.

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 400421242124002 its reverse (200421242124004), we get a palindrome (600842484248006).

The spelling of 400421242124002 in words is "four hundred trillion, four hundred twenty-one billion, two hundred forty-two million, one hundred twenty-four thousand, two".