40224405320 has 64 divisors (see below), whose sum is σ = 100123309440. Its totient is φ = 14421030400.

The previous prime is 40224405307. The next prime is 40224405343. The reversal of 40224405320 is 2350442204.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 40224405320.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 612557 + ... + 675036.

It is an arithmetic number, because the mean of its divisors is an integer number (1564426710).

Almost surely, 2^40224405320 is an apocalyptic number.

40224405320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40224405320 is an abundant number, since it is smaller than the sum of its proper divisors (59898904120).

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

40224405320 is a wasteful number, since it uses less digits than its factorization.

40224405320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287686 (or 1287682 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

Adding to 40224405320 its reverse (2350442204), we get a palindrome (42574847524).

It can be divided in two parts, 40224 and 405320, that added together give a palindrome (445544).

The spelling of 40224405320 in words is "forty billion, two hundred twenty-four million, four hundred five thousand, three hundred twenty".