40706969377 has 4 divisors (see below), whose sum is σ = 40709472580. Its totient is φ = 40704466176.

The previous prime is 40706969339. The next prime is 40706969383. The reversal of 40706969377 is 77396960704.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9767566561 + 30939402816 = 98831^2 + 175896^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40706969377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40706969077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1227048 + ... + 1259785.

It is an arithmetic number, because the mean of its divisors is an integer number (10177368145).

Almost surely, 2^40706969377 is an apocalyptic number.

It is an amenable number.

40706969377 is a deficient number, since it is larger than the sum of its proper divisors (2503203).

40706969377 is a wasteful number, since it uses less digits than its factorization.

40706969377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2503202.

The product of its (nonzero) digits is 12002256, while the sum is 58.

The spelling of 40706969377 in words is "forty billion, seven hundred six million, nine hundred sixty-nine thousand, three hundred seventy-seven".