40308764394 has 16 divisors (see below), whose sum is σ = 80622099360. Its totient is φ = 13435493040.

The previous prime is 40308764371. The next prime is 40308764399. The reversal of 40308764394 is 49346780304.

It is not an unprimeable number, because it can be changed into a prime (40308764399) 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, 69924 + ... + 292415.

It is an arithmetic number, because the mean of its divisors is an integer number (5038881210).

Almost surely, 2^40308764394 is an apocalyptic number.

40308764394 is an abundant number, since it is smaller than the sum of its proper divisors (40313334966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40308764394 is a wasteful number, since it uses less digits than its factorization.

40308764394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380885.

The product of its (nonzero) digits is 1741824, while the sum is 48.

The spelling of 40308764394 in words is "forty billion, three hundred eight million, seven hundred sixty-four thousand, three hundred ninety-four".