40200243502 has 16 divisors (see below), whose sum is σ = 66623422752. Its totient is φ = 18095249920.

The previous prime is 40200243487. The next prime is 40200243509. The reversal of 40200243502 is 20534200204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40200243509) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 25702699 + ... + 25704262.

It is an arithmetic number, because the mean of its divisors is an integer number (4163963922).

Almost surely, 2^40200243502 is an apocalyptic number.

40200243502 is a deficient number, since it is larger than the sum of its proper divisors (26423179250).

40200243502 is a wasteful number, since it uses less digits than its factorization.

40200243502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51407003.

The product of its (nonzero) digits is 1920, while the sum is 22.

Adding to 40200243502 its reverse (20534200204), we get a palindrome (60734443706).

The spelling of 40200243502 in words is "forty billion, two hundred million, two hundred forty-three thousand, five hundred two".