40383505750172 has 48 divisors (see below), whose sum is σ = 78176295674400. Its totient is φ = 18132021165312.

The previous prime is 40383505750139. The next prime is 40383505750193. The reversal of 40383505750172 is 27105750538304.

It is a self number, because there is not a number n which added to its sum of digits gives 40383505750172.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10993454 + ... + 14199402.

It is an arithmetic number, because the mean of its divisors is an integer number (1628672826550).

Almost surely, 2^{40383505750172} is an apocalyptic number.

It is an amenable number.

40383505750172 is a deficient number, since it is larger than the sum of its proper divisors (37792789924228).

40383505750172 is a wasteful number, since it uses less digits than its factorization.

40383505750172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3212550 (or 3212548 counting only the distinct ones).

The product of its (nonzero) digits is 3528000, while the sum is 50.

The spelling of 40383505750172 in words is "forty trillion, three hundred eighty-three billion, five hundred five million, seven hundred fifty thousand, one hundred seventy-two".