40123275320 has 32 divisors (see below), whose sum is σ = 90337252320. Its totient is φ = 16038664320.

The previous prime is 40123275299. The next prime is 40123275347. The reversal of 40123275320 is 2357232104.

It is a super-2 number, since 2×40123275320² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271487 + ... + 392366.

It is an arithmetic number, because the mean of its divisors is an integer number (2823039135).

Almost surely, 2^40123275320 is an apocalyptic number.

40123275320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40123275320 is an abundant number, since it is smaller than the sum of its proper divisors (50213977000).

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

40123275320 is a wasteful number, since it uses less digits than its factorization.

40123275320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665375 (or 665371 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 29.

The spelling of 40123275320 in words is "forty billion, one hundred twenty-three million, two hundred seventy-five thousand, three hundred twenty".