40055304450 has 48 divisors (see below), whose sum is σ = 113528180160. Its totient is φ = 9155497920.

The previous prime is 40055304439. The next prime is 40055304479. The reversal of 40055304450 is 5440355004.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 23 ways as a sum of consecutive naturals, for example, 19072905 + ... + 19075004.

It is an arithmetic number, because the mean of its divisors is an integer number (2365170420).

Almost surely, 2^40055304450 is an apocalyptic number.

40055304450 is an abundant number, since it is smaller than the sum of its proper divisors (73472875710).

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

40055304450 is a wasteful number, since it uses less digits than its factorization.

40055304450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38147931 (or 38147926 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

Adding to 40055304450 its reverse (5440355004), we get a palindrome (45495659454).

The spelling of 40055304450 in words is "forty billion, fifty-five million, three hundred four thousand, four hundred fifty".