40319230 has 64 divisors (see below), whose sum is σ = 87920640. Its totient is φ = 13014144.

The previous prime is 40319203. The next prime is 40319239. The reversal of 40319230 is 3291304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40319239) 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, 127032 + ... + 127348.

It is an arithmetic number, because the mean of its divisors is an integer number (1373760).

Almost surely, 2^40319230 is an apocalyptic number.

40319230 is an abundant number, since it is smaller than the sum of its proper divisors (47601410).

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

40319230 is a wasteful number, since it uses less digits than its factorization.

40319230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 40319230 is about 6349.7425144647. The cubic root of 40319230 is about 342.9025724359.

The spelling of 40319230 in words is "forty million, three hundred nineteen thousand, two hundred thirty".