40133244240 has 120 divisors (see below), whose sum is σ = 134837932320. Its totient is φ = 10697663232.

The previous prime is 40133244227. The next prime is 40133244251. The reversal of 40133244240 is 4244233104.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×40133244240² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1903999 + ... + 1924961.

It is an arithmetic number, because the mean of its divisors is an integer number (1123649436).

Almost surely, 2^40133244240 is an apocalyptic number.

40133244240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40133244240 is an abundant number, since it is smaller than the sum of its proper divisors (94704688080).

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

40133244240 is a wasteful number, since it uses less digits than its factorization.

40133244240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23641 (or 23632 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 40133244240 its reverse (4244233104), we get a palindrome (44377477344).

The spelling of 40133244240 in words is "forty billion, one hundred thirty-three million, two hundred forty-four thousand, two hundred forty".