40003093394 has 16 divisors (see below), whose sum is σ = 65465801856. Its totient is φ = 18181503600.

The previous prime is 40003093369. The next prime is 40003093399. The reversal of 40003093394 is 49339030004.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40003093399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168464 + ... + 329220.

It is an arithmetic number, because the mean of its divisors is an integer number (4091612616).

Almost surely, 2^40003093394 is an apocalyptic number.

40003093394 is a deficient number, since it is larger than the sum of its proper divisors (25462708462).

40003093394 is a wasteful number, since it uses less digits than its factorization.

40003093394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172081.

The product of its (nonzero) digits is 34992, while the sum is 35.

The spelling of 40003093394 in words is "forty billion, three million, ninety-three thousand, three hundred ninety-four".