40736185717745 has 16 divisors (see below), whose sum is σ = 55903742431488. Its totient is φ = 27914897768640.

The previous prime is 40736185717639. The next prime is 40736185717771. The reversal of 40736185717745 is 54771758163704.

It is not a de Polignac number, because 40736185717745 - 2¹⁴ = 40736185701361 is a prime.

It is a super-2 number, since 2×40736185717745² (a number of 28 digits) contains 22 as substring.

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, 385086434 + ... + 385192203.

It is an arithmetic number, because the mean of its divisors is an integer number (3493983901968).

Almost surely, 2^{40736185717745} is an apocalyptic number.

It is an amenable number.

40736185717745 is a deficient number, since it is larger than the sum of its proper divisors (15167556713743).

40736185717745 is a wasteful number, since it uses less digits than its factorization.

40736185717745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770280160.

The product of its (nonzero) digits is 138297600, while the sum is 65.

The spelling of 40736185717745 in words is "forty trillion, seven hundred thirty-six billion, one hundred eighty-five million, seven hundred seventeen thousand, seven hundred forty-five".