39894740998 has 8 divisors (see below), whose sum is σ = 68390984592. Its totient is φ = 17097746136.

The previous prime is 39894740987. The next prime is 39894741017. The reversal of 39894740998 is 89904749893.

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

It is a congruent number.

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, 1424812165 + ... + 1424812192.

It is an arithmetic number, because the mean of its divisors is an integer number (8548873074).

Almost surely, 2^39894740998 is an apocalyptic number.

39894740998 is a deficient number, since it is larger than the sum of its proper divisors (28496243594).

39894740998 is a wasteful number, since it uses less digits than its factorization.

39894740998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2849624366.

The product of its (nonzero) digits is 141087744, while the sum is 70.

The spelling of 39894740998 in words is "thirty-nine billion, eight hundred ninety-four million, seven hundred forty thousand, nine hundred ninety-eight".