40431420202118 has 32 divisors (see below), whose sum is σ = 69799844845440. Its totient is φ = 17371357623360.

The previous prime is 40431420202111. The next prime is 40431420202231. The reversal of 40431420202118 is 81120202413404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40431420202111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108986255 + ... + 109356602.

It is an arithmetic number, because the mean of its divisors is an integer number (2181245151420).

Almost surely, 2^{40431420202118} is an apocalyptic number.

40431420202118 is a deficient number, since it is larger than the sum of its proper divisors (29368424643322).

40431420202118 is a wasteful number, since it uses less digits than its factorization.

40431420202118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218343332.

The product of its (nonzero) digits is 12288, while the sum is 32.

The spelling of 40431420202118 in words is "forty trillion, four hundred thirty-one billion, four hundred twenty million, two hundred two thousand, one hundred eighteen".