40194630 has 192 divisors, whose sum is σ = 132088320. Its totient is φ = 8584704.

The previous prime is 40194607. The next prime is 40194641. The reversal of 40194630 is 3649104.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40194594 and 40194603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 289101 + ... + 289239.

It is an arithmetic number, because the mean of its divisors is an integer number (687960).

Almost surely, 2^40194630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40194630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66044160).

40194630 is an abundant number, since it is smaller than the sum of its proper divisors (91893690).

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

40194630 is a wasteful number, since it uses less digits than its factorization.

40194630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 40194630 is about 6339.9235011158. The cubic root of 40194630 is about 342.5489797997.

It can be divided in two parts, 4019 and 4630, that added together give a square (8649 = 93²).

The spelling of 40194630 in words is "forty million, one hundred ninety-four thousand, six hundred thirty".