40012124344 has 8 divisors (see below), whose sum is σ = 75022733160. Its totient is φ = 20006062168.

The previous prime is 40012124329. The next prime is 40012124351. The reversal of 40012124344 is 44342121004.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2500757764 + ... + 2500757779.

It is an arithmetic number, because the mean of its divisors is an integer number (9377841645).

Almost surely, 2^40012124344 is an apocalyptic number.

It is an amenable number.

40012124344 is a deficient number, since it is larger than the sum of its proper divisors (35010608816).

40012124344 is a wasteful number, since it uses less digits than its factorization.

40012124344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5001515549 (or 5001515545 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 40012124344 its reverse (44342121004), we get a palindrome (84354245348).

The spelling of 40012124344 in words is "forty billion, twelve million, one hundred twenty-four thousand, three hundred forty-four".