40768245554 has 8 divisors (see below), whose sum is σ = 61153291548. Its totient is φ = 20383815040.

The previous prime is 40768245521. The next prime is 40768245599. The reversal of 40768245554 is 45554286704.

It can be written as a sum of positive squares in 2 ways, for example, as 31443446329 + 9324799225 = 177323^2 + 96565^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87374 + ... + 298614.

Almost surely, 2^40768245554 is an apocalyptic number.

40768245554 is a deficient number, since it is larger than the sum of its proper divisors (20385045994).

40768245554 is a wasteful number, since it uses less digits than its factorization.

40768245554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307740.

The product of its (nonzero) digits is 5376000, while the sum is 50.

The spelling of 40768245554 in words is "forty billion, seven hundred sixty-eight million, two hundred forty-five thousand, five hundred fifty-four".