40544920450 has 24 divisors (see below), whose sum is σ = 75496417920. Its totient is φ = 16200147600.

The previous prime is 40544920391. The next prime is 40544920453. The reversal of 40544920450 is 5402944504.

It is not an unprimeable number, because it can be changed into a prime (40544920453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 399510 + ... + 490609.

It is an arithmetic number, because the mean of its divisors is an integer number (3145684080).

Almost surely, 2^40544920450 is an apocalyptic number.

40544920450 is a deficient number, since it is larger than the sum of its proper divisors (34951497470).

40544920450 is a wasteful number, since it uses less digits than its factorization.

40544920450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891042 (or 891037 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 40544920450 in words is "forty billion, five hundred forty-four million, nine hundred twenty thousand, four hundred fifty".