40300000 has 144 divisors (see below), whose sum is σ = 110242944. Its totient is φ = 14400000.

The previous prime is 40299989. The next prime is 40300019. The reversal of 40300000 is 304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1299985 + ... + 1300015.

It is an arithmetic number, because the mean of its divisors is an integer number (765576).

Almost surely, 2^40300000 is an apocalyptic number.

40300000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55121472).

40300000 is an abundant number, since it is smaller than the sum of its proper divisors (69942944).

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

40300000 is an equidigital number, since it uses as much as digits as its factorization.

40300000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79 (or 51 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 7.

The square root of 40300000 is about 6348.2280992416. The cubic root of 40300000 is about 342.8480487006.

Adding to 40300000 its reverse (304), we get a palindrome (40300304).

The spelling of 40300000 in words is "forty million, three hundred thousand".