40200042000 has 80 divisors (see below), whose sum is σ = 129604954752. Its totient is φ = 10720009600.

The previous prime is 40200041963. The next prime is 40200042023. The reversal of 40200042000 is 24000204.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3344004 + ... + 3356003.

Almost surely, 2^40200042000 is an apocalyptic number.

40200042000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40200042000 is an abundant number, since it is smaller than the sum of its proper divisors (89404912752).

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

40200042000 is a wasteful number, since it uses less digits than its factorization.

40200042000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6700033 (or 6700017 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

Adding to 40200042000 its reverse (24000204), we get a palindrome (40224042204).

The spelling of 40200042000 in words is "forty billion, two hundred million, forty-two thousand".