40245170 has 48 divisors (see below), whose sum is σ = 87956928. Its totient is φ = 13194720.

The previous prime is 40245133. The next prime is 40245181. The reversal of 40245170 is 7154204.

40245170 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (23).

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 23 ways as a sum of consecutive naturals, for example, 9485 + ... + 13055.

It is an arithmetic number, because the mean of its divisors is an integer number (1832436).

Almost surely, 2^40245170 is an apocalyptic number.

40245170 is an abundant number, since it is smaller than the sum of its proper divisors (47711758).

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

40245170 is a wasteful number, since it uses less digits than its factorization.

40245170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3615 (or 3608 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 40245170 is about 6343.9081014781. The cubic root of 40245170 is about 342.6924912953.

Adding to 40245170 its reverse (7154204), we get a palindrome (47399374).

The spelling of 40245170 in words is "forty million, two hundred forty-five thousand, one hundred seventy".