40449581194 has 32 divisors (see below), whose sum is σ = 69691469760. Its totient is φ = 17414092800.

The previous prime is 40449581177. The next prime is 40449581197. The reversal of 40449581194 is 49118594404.

40449581194 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (40449581197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2077384 + ... + 2096764.

It is an arithmetic number, because the mean of its divisors is an integer number (2177858430).

Almost surely, 2^40449581194 is an apocalyptic number.

40449581194 is a deficient number, since it is larger than the sum of its proper divisors (29241888566).

40449581194 is a wasteful number, since it uses less digits than its factorization.

40449581194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24406.

The product of its (nonzero) digits is 829440, while the sum is 49.

The spelling of 40449581194 in words is "forty billion, four hundred forty-nine million, five hundred eighty-one thousand, one hundred ninety-four".