40042555534 has 8 divisors (see below), whose sum is σ = 60886625760. Its totient is φ = 19747013616.

The previous prime is 40042555409. The next prime is 40042555661. The reversal of 40042555534 is 43555524004.

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

It is a junction number, because it is equal to n+sod(n) for n = 40042555493 and 40042555502.

It is a congruent number.

It is an unprimeable number.

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, 137131894 + ... + 137132185.

It is an arithmetic number, because the mean of its divisors is an integer number (7610828220).

Almost surely, 2^40042555534 is an apocalyptic number.

40042555534 is a deficient number, since it is larger than the sum of its proper divisors (20844070226).

40042555534 is a wasteful number, since it uses less digits than its factorization.

40042555534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274264154.

The product of its (nonzero) digits is 240000, while the sum is 37.

The spelling of 40042555534 in words is "forty billion, forty-two million, five hundred fifty-five thousand, five hundred thirty-four".