42000400244 has 24 divisors (see below), whose sum is σ = 81197558400. Its totient is φ = 18849430080.

The previous prime is 42000400231. The next prime is 42000400283. The reversal of 42000400244 is 44200400024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6038009 + ... + 6044960.

It is an arithmetic number, because the mean of its divisors is an integer number (3383231600).

Almost surely, 2^42000400244 is an apocalyptic number.

42000400244 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42000400244 is a deficient number, since it is larger than the sum of its proper divisors (39197158156).

42000400244 is a wasteful number, since it uses less digits than its factorization.

42000400244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12083063 (or 12083061 counting only the distinct ones).

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

Adding to 42000400244 its reverse (44200400024), we get a palindrome (86200800268).

It can be divided in two parts, 42000 and 400244, that added together give a palindrome (442244).

The spelling of 42000400244 in words is "forty-two billion, four hundred thousand, two hundred forty-four".