40383774701 has 2 divisors, whose sum is σ = 40383774702. Its totient is φ = 40383774700.

The previous prime is 40383774677. The next prime is 40383774721. The reversal of 40383774701 is 10747738304.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30572872201 + 9810902500 = 174851^2 + 99050^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40383774701 is a prime.

It is a super-2 number, since 2×40383774701² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40383774721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20191887350 + 20191887351.

It is an arithmetic number, because the mean of its divisors is an integer number (20191887351).

Almost surely, 2^40383774701 is an apocalyptic number.

It is an amenable number.

40383774701 is a deficient number, since it is larger than the sum of its proper divisors (1).

40383774701 is an equidigital number, since it uses as much as digits as its factorization.

40383774701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 395136, while the sum is 44.

The spelling of 40383774701 in words is "forty billion, three hundred eighty-three million, seven hundred seventy-four thousand, seven hundred one".