40123199960 has 16 divisors (see below), whose sum is σ = 90277200000. Its totient is φ = 16049279968.

The previous prime is 40123199959. The next prime is 40123200041. The reversal of 40123199960 is 6999132104.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 501539960 + ... + 501540039.

It is an arithmetic number, because the mean of its divisors is an integer number (5642325000).

Almost surely, 2^40123199960 is an apocalyptic number.

40123199960 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40123199960 is an abundant number, since it is smaller than the sum of its proper divisors (50154000040).

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

40123199960 is a wasteful number, since it uses less digits than its factorization.

40123199960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003080010 (or 1003080006 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 44.

The spelling of 40123199960 in words is "forty billion, one hundred twenty-three million, one hundred ninety-nine thousand, nine hundred sixty".