42000400024004 has 12 divisors (see below), whose sum is σ = 73824491673744. Its totient is φ = 20907688117224.

The previous prime is 42000400023991. The next prime is 42000400024007. The reversal of 42000400024004 is 40042000400024.

It is not an unprimeable number, because it can be changed into a prime (42000400024007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23127972674 + ... + 23127974489.

It is an arithmetic number, because the mean of its divisors is an integer number (6152040972812).

Almost surely, 2^{42000400024004} is an apocalyptic number.

It is an amenable number.

42000400024004 is a deficient number, since it is larger than the sum of its proper divisors (31824091649740).

42000400024004 is a wasteful number, since it uses less digits than its factorization.

42000400024004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46255947394 (or 46255947392 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 42000400024004 its reverse (40042000400024), we get a palindrome (82042400424028).

The spelling of 42000400024004 in words is "forty-two trillion, four hundred million, twenty-four thousand, four".