40045230 has 96 divisors (see below), whose sum is σ = 109792800. Its totient is φ = 10112256.

The previous prime is 40045199. The next prime is 40045241. The reversal of 40045230 is 3254004.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 174756 + ... + 174984.

It is an arithmetic number, because the mean of its divisors is an integer number (1143675).

Almost surely, 2^40045230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40045230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54896400).

40045230 is an abundant number, since it is smaller than the sum of its proper divisors (69747570).

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

40045230 is a wasteful number, since it uses less digits than its factorization.

40045230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338 (or 335 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 40045230 is about 6328.1300555535. The cubic root of 40045230 is about 342.1240444667.

Adding to 40045230 its reverse (3254004), we get a palindrome (43299234).

The spelling of 40045230 in words is "forty million, forty-five thousand, two hundred thirty".