40330110440 has 64 divisors (see below), whose sum is σ = 93319464960. Its totient is φ = 15679655680.

The previous prime is 40330110437. The next prime is 40330110451. The reversal of 40330110440 is 4401103304.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

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 15 ways as a sum of consecutive naturals, for example, 137945 + ... + 315735.

It is an arithmetic number, because the mean of its divisors is an integer number (1458116640).

Almost surely, 2^40330110440 is an apocalyptic number.

40330110440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40330110440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46659732480).

40330110440 is an abundant number, since it is smaller than the sum of its proper divisors (52989354520).

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

40330110440 is a wasteful number, since it uses less digits than its factorization.

40330110440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177962 (or 177958 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 40330110440 its reverse (4401103304), we get a palindrome (44731213744).

The spelling of 40330110440 in words is "forty billion, three hundred thirty million, one hundred ten thousand, four hundred forty".