400421242124004 has 48 divisors (see below), whose sum is σ = 948285884145600. Its totient is φ = 131478186233856.

The previous prime is 400421242123943. The next prime is 400421242124027.

400421242124004 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×400421242124004² (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, 24591892 + ... + 37491380.

It is an arithmetic number, because the mean of its divisors is an integer number (19755955919700).

Almost surely, 2^{400421242124004} is an apocalyptic number.

It is an amenable number.

400421242124004 is an abundant number, since it is smaller than the sum of its proper divisors (547864642021596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400421242124004 is a wasteful number, since it uses less digits than its factorization.

400421242124004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12938172 (or 12938170 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 30.

The spelling of 400421242124004 in words is "four hundred trillion, four hundred twenty-one billion, two hundred forty-two million, one hundred twenty-four thousand, four".