40300284 has 12 divisors (see below), whose sum is σ = 94034024. Its totient is φ = 13433424.

The previous prime is 40300241. The next prime is 40300297. The reversal of 40300284 is 48200304.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×40300284² = 3248225780961312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40300284.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1679167 + ... + 1679190.

Almost surely, 2^40300284 is an apocalyptic number.

It is an amenable number.

40300284 is an abundant number, since it is smaller than the sum of its proper divisors (53733740).

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

40300284 is a wasteful number, since it uses less digits than its factorization.

40300284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3358364 (or 3358362 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 40300284 is about 6348.2504676485. The cubic root of 40300284 is about 342.8488540655.

Adding to 40300284 its reverse (48200304), we get a palindrome (88500588).

The spelling of 40300284 in words is "forty million, three hundred thousand, two hundred eighty-four".