40145454604 has 12 divisors (see below), whose sum is σ = 73309091184. Its totient is φ = 19199999984.

The previous prime is 40145454577. The next prime is 40145454637. The reversal of 40145454604 is 40645454104.

It is a happy number.

It is a super-2 number, since 2×40145454604² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218181727 + ... + 218181910.

It is an arithmetic number, because the mean of its divisors is an integer number (6109090932).

Almost surely, 2^40145454604 is an apocalyptic number.

It is an amenable number.

40145454604 is a deficient number, since it is larger than the sum of its proper divisors (33163636580).

40145454604 is a wasteful number, since it uses less digits than its factorization.

40145454604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436363664 (or 436363662 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 37.

The spelling of 40145454604 in words is "forty billion, one hundred forty-five million, four hundred fifty-four thousand, six hundred four".