40323121110 has 48 divisors (see below), whose sum is σ = 108723088656. Its totient is φ = 10752831648.

The previous prime is 40323121099. The next prime is 40323121147. The reversal of 40323121110 is 1112132304.

40323121110 is a `hidden beast` number, since 403 + 231 + 21 + 1 + 10 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8294509 + ... + 8299368.

It is an arithmetic number, because the mean of its divisors is an integer number (2265064347).

Almost surely, 2^40323121110 is an apocalyptic number.

40323121110 is an abundant number, since it is smaller than the sum of its proper divisors (68399967546).

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

40323121110 is a wasteful number, since it uses less digits than its factorization.

40323121110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16593899 (or 16593887 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 40323121110 its reverse (1112132304), we get a palindrome (41435253414).

The spelling of 40323121110 in words is "forty billion, three hundred twenty-three million, one hundred twenty-one thousand, one hundred ten".