40369117634 has 8 divisors (see below), whose sum is σ = 61153218108. Its totient is φ = 19984711600.

The previous prime is 40369117549. The next prime is 40369117681. The reversal of 40369117634 is 43671196304.

It can be written as a sum of positive squares in 2 ways, for example, as 40362015409 + 7102225 = 200903^2 + 2665^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99923357 + ... + 99923760.

Almost surely, 2^40369117634 is an apocalyptic number.

40369117634 is a deficient number, since it is larger than the sum of its proper divisors (20784100474).

40369117634 is a wasteful number, since it uses less digits than its factorization.

40369117634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199847220.

The product of its (nonzero) digits is 326592, while the sum is 44.

The spelling of 40369117634 in words is "forty billion, three hundred sixty-nine million, one hundred seventeen thousand, six hundred thirty-four".