40107215144 has 32 divisors (see below), whose sum is σ = 75645373440. Its totient is φ = 19935201600.

The previous prime is 40107215131. The next prime is 40107215147. The reversal of 40107215144 is 44151270104.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40107215147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6922889 + ... + 6928679.

It is an arithmetic number, because the mean of its divisors is an integer number (2363917920).

Almost surely, 2^40107215144 is an apocalyptic number.

It is an amenable number.

40107215144 is a deficient number, since it is larger than the sum of its proper divisors (35538158296).

40107215144 is a wasteful number, since it uses less digits than its factorization.

40107215144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10761 (or 10757 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

Adding to 40107215144 its reverse (44151270104), we get a palindrome (84258485248).

The spelling of 40107215144 in words is "forty billion, one hundred seven million, two hundred fifteen thousand, one hundred forty-four".