40020231757670 has 16 divisors (see below), whose sum is σ = 72438855251760. Its totient is φ = 15918662016864.

The previous prime is 40020231757613. The next prime is 40020231757673. The reversal of 40020231757670 is 7675713202004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40020231757673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11178833897 + ... + 11178837476.

It is an arithmetic number, because the mean of its divisors is an integer number (4527428453235).

Almost surely, 2^{40020231757670} is an apocalyptic number.

40020231757670 is a deficient number, since it is larger than the sum of its proper divisors (32418623494090).

40020231757670 is a wasteful number, since it uses less digits than its factorization.

40020231757670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22357671559.

The product of its (nonzero) digits is 493920, while the sum is 44.

Adding to 40020231757670 its reverse (7675713202004), we get a palindrome (47695944959674).

The spelling of 40020231757670 in words is "forty trillion, twenty billion, two hundred thirty-one million, seven hundred fifty-seven thousand, six hundred seventy".