40245300 has 108 divisors (see below), whose sum is σ = 127723596. Its totient is φ = 10598400.

The previous prime is 40245281. The next prime is 40245311. The reversal of 40245300 is 354204.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 2643876 + 37601424 = 1626^2 + 6132^2 .

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 35 ways as a sum of consecutive naturals, for example, 87070 + ... + 87530.

Almost surely, 2^40245300 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40245300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63861798).

40245300 is an abundant number, since it is smaller than the sum of its proper divisors (87478296).

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

40245300 is a wasteful number, since it uses less digits than its factorization.

40245300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578 (or 568 counting only the distinct ones).

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

The square root of 40245300 is about 6343.9183475199. The cubic root of 40245300 is about 342.6928602834.

Adding to 40245300 its reverse (354204), we get a palindrome (40599504).

The spelling of 40245300 in words is "forty million, two hundred forty-five thousand, three hundred".