42040312000 has 112 divisors (see below), whose sum is σ = 109592851680. Its totient is φ = 15931008000.

The previous prime is 42040311919. The next prime is 42040312009. The reversal of 42040312000 is 21304024.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (42040312009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13710 + ... + 290290.

Almost surely, 2^42040312000 is an apocalyptic number.

42040312000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42040312000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54796425840).

42040312000 is an abundant number, since it is smaller than the sum of its proper divisors (67552539680).

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

42040312000 is a wasteful number, since it uses less digits than its factorization.

42040312000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276627 (or 276607 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 42040312000 its reverse (21304024), we get a palindrome (42061616024).

The spelling of 42040312000 in words is "forty-two billion, forty million, three hundred twelve thousand".