40370530 has 16 divisors (see below), whose sum is σ = 72743040. Its totient is φ = 16131312.

The previous prime is 40370521. The next prime is 40370531. The reversal of 40370530 is 3507304.

It is not an unprimeable number, because it can be changed into a prime (40370531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13207 + ... + 15973.

It is an arithmetic number, because the mean of its divisors is an integer number (4546440).

Almost surely, 2^40370530 is an apocalyptic number.

40370530 is a deficient number, since it is larger than the sum of its proper divisors (32372510).

40370530 is a wasteful number, since it uses less digits than its factorization.

40370530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4233.

The product of its (nonzero) digits is 1260, while the sum is 22.

The square root of 40370530 is about 6353.7807642379. The cubic root of 40370530 is about 343.0479410079.

Adding to 40370530 its reverse (3507304), we get a palindrome (43877834).

The spelling of 40370530 in words is "forty million, three hundred seventy thousand, five hundred thirty".