40197150 has 108 divisors (see below), whose sum is σ = 125697312. Its totient is φ = 9182880.

The previous prime is 40197139. The next prime is 40197167. The reversal of 40197150 is 5179104.

40197150 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 21139 + ... + 22961.

It is an arithmetic number, because the mean of its divisors is an integer number (1163864).

Almost surely, 2^40197150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40197150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62848656).

40197150 is an abundant number, since it is smaller than the sum of its proper divisors (85500162).

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

40197150 is a wasteful number, since it uses less digits than its factorization.

40197150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1855 (or 1840 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 40197150 is about 6340.1222385692. The cubic root of 40197150 is about 342.5561383463.

The spelling of 40197150 in words is "forty million, one hundred ninety-seven thousand, one hundred fifty".