40300030 has 64 divisors (see below), whose sum is σ = 81259200. Its totient is φ = 14321664.

The previous prime is 40300019. The next prime is 40300037. The reversal of 40300030 is 3000304.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40300037) 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, 270396 + ... + 270544.

It is an arithmetic number, because the mean of its divisors is an integer number (1269675).

Almost surely, 2^40300030 is an apocalyptic number.

40300030 is an abundant number, since it is smaller than the sum of its proper divisors (40959170).

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

40300030 is a wasteful number, since it uses less digits than its factorization.

40300030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253.

The product of its (nonzero) digits is 36, while the sum is 10.

The square root of 40300030 is about 6348.2304621052. The cubic root of 40300030 is about 342.8481337745.

Adding to 40300030 its reverse (3000304), we get a palindrome (43300334).

The spelling of 40300030 in words is "forty million, three hundred thousand, thirty".