40550304 has 48 divisors (see below), whose sum is σ = 112710528. Its totient is φ = 12721152.

The previous prime is 40550273. The next prime is 40550309. The reversal of 40550304 is 40305504.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (40550309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10792 + ... + 14055.

It is an arithmetic number, because the mean of its divisors is an integer number (2348136).

Almost surely, 2^40550304 is an apocalyptic number.

It is an amenable number.

40550304 is an abundant number, since it is smaller than the sum of its proper divisors (72160224).

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

40550304 is a wasteful number, since it uses less digits than its factorization.

40550304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24877 (or 24869 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 40550304 is about 6367.9120596943. The cubic root of 40550304 is about 343.5563959280.

Adding to 40550304 its reverse (40305504), we get a palindrome (80855808).

The spelling of 40550304 in words is "forty million, five hundred fifty thousand, three hundred four".