40303300 has 36 divisors (see below), whose sum is σ = 88672276. Its totient is φ = 15897600.

The previous prime is 40303283. The next prime is 40303303. The reversal of 40303300 is 330304.

It can be written as a sum of positive squares in 6 ways, for example, as 1937664 + 38365636 = 1392^2 + 6194^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40303303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4540 + ... + 10060.

Almost surely, 2^40303300 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 40303300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44336138).

40303300 is an abundant number, since it is smaller than the sum of its proper divisors (48368976).

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

40303300 is a wasteful number, since it uses less digits than its factorization.

40303300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5608 (or 5601 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 13.

The square root of 40303300 is about 6348.4880089672. The cubic root of 40303300 is about 342.8574065805.

Adding to 40303300 its reverse (330304), we get a palindrome (40633604).

The spelling of 40303300 in words is "forty million, three hundred three thousand, three hundred".