40344111040 has 28 divisors (see below), whose sum is σ = 96069415176. Its totient is φ = 16137644288.

The previous prime is 40344111029. The next prime is 40344111077. The reversal of 40344111040 is 4011144304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63037354 + ... + 63037993.

It is an arithmetic number, because the mean of its divisors is an integer number (3431050542).

Almost surely, 2^40344111040 is an apocalyptic number.

40344111040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40344111040 is an abundant number, since it is smaller than the sum of its proper divisors (55725304136).

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

40344111040 is a wasteful number, since it uses less digits than its factorization.

40344111040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126075364 (or 126075354 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 40344111040 its reverse (4011144304), we get a palindrome (44355255344).

The spelling of 40344111040 in words is "forty billion, three hundred forty-four million, one hundred eleven thousand, forty".