40768869754 has 8 divisors (see below), whose sum is σ = 61694484660. Its totient is φ = 20204041536.

The previous prime is 40768869751. The next prime is 40768869763. The reversal of 40768869754 is 45796886704.

It can be written as a sum of positive squares in 2 ways, for example, as 40697010225 + 71859529 = 201735^2 + 8477^2 .

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

It is not an unprimeable number, because it can be changed into a prime (40768869751) by changing a digit.

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, 90196389 + ... + 90196840.

Almost surely, 2^40768869754 is an apocalyptic number.

40768869754 is a deficient number, since it is larger than the sum of its proper divisors (20925614906).

40768869754 is a wasteful number, since it uses less digits than its factorization.

40768869754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180393344.

The product of its (nonzero) digits is 81285120, while the sum is 64.

The spelling of 40768869754 in words is "forty billion, seven hundred sixty-eight million, eight hundred sixty-nine thousand, seven hundred fifty-four".