40243663331500 has 48 divisors (see below), whose sum is σ = 87939749177280. Its totient is φ = 16088749497600.

The previous prime is 40243663331447. The next prime is 40243663331653. The reversal of 40243663331500 is 513336634204.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20865165 + ... + 22712164.

It is an arithmetic number, because the mean of its divisors is an integer number (1832078107860).

Almost surely, 2^{40243663331500} is an apocalyptic number.

It is an amenable number.

40243663331500 is an abundant number, since it is smaller than the sum of its proper divisors (47696085845780).

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

40243663331500 is a wasteful number, since it uses less digits than its factorization.

40243663331500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43579195 (or 43579183 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 40.

Adding to 40243663331500 its reverse (513336634204), we get a palindrome (40756999965704).

The spelling of 40243663331500 in words is "forty trillion, two hundred forty-three billion, six hundred sixty-three million, three hundred thirty-one thousand, five hundred".