40255194 has 64 divisors (see below), whose sum is σ = 95622912. Its totient is φ = 11059200.

The previous prime is 40255157. The next prime is 40255199. The reversal of 40255194 is 49155204.

It is not an unprimeable number, because it can be changed into a prime (40255199) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166914 + ... + 167154.

It is an arithmetic number, because the mean of its divisors is an integer number (1494108).

Almost surely, 2^40255194 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40255194, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47811456).

40255194 is an abundant number, since it is smaller than the sum of its proper divisors (55367718).

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

40255194 is a wasteful number, since it uses less digits than its factorization.

40255194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 40255194 is about 6344.6981015648. The cubic root of 40255194 is about 342.7209407909.

The spelling of 40255194 in words is "forty million, two hundred fifty-five thousand, one hundred ninety-four".