40455230344 has 48 divisors (see below), whose sum is σ = 81291604500. Its totient is φ = 18869157888.

The previous prime is 40455230339. The next prime is 40455230353. The reversal of 40455230344 is 44303255404.

It can be written as a sum of positive squares in 6 ways, for example, as 32018807844 + 8436422500 = 178938^2 + 91850^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

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 11 ways as a sum of consecutive naturals, for example, 183832 + ... + 338680.

Almost surely, 2^40455230344 is an apocalyptic number.

It is an amenable number.

40455230344 is an abundant number, since it is smaller than the sum of its proper divisors (40836374156).

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

40455230344 is a wasteful number, since it uses less digits than its factorization.

40455230344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155002 (or 154981 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 34.

Adding to 40455230344 its reverse (44303255404), we get a palindrome (84758485748).

The spelling of 40455230344 in words is "forty billion, four hundred fifty-five million, two hundred thirty thousand, three hundred forty-four".