40302230440 has 32 divisors (see below), whose sum is σ = 90866263680. Its totient is φ = 16087781952.

The previous prime is 40302230431. The next prime is 40302230467. The reversal of 40302230440 is 4403220304.

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 7 ways as a sum of consecutive naturals, for example, 1014972 + ... + 1053931.

It is an arithmetic number, because the mean of its divisors is an integer number (2839570740).

Almost surely, 2^40302230440 is an apocalyptic number.

40302230440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40302230440 is an abundant number, since it is smaller than the sum of its proper divisors (50564033240).

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

40302230440 is a wasteful number, since it uses less digits than its factorization.

40302230440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2069401 (or 2069397 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 40302230440 its reverse (4403220304), we get a palindrome (44705450744).

The spelling of 40302230440 in words is "forty billion, three hundred two million, two hundred thirty thousand, four hundred forty".