40220345304 has 24 divisors (see below), whose sum is σ = 108930102060. Its totient is φ = 13406781744.

The previous prime is 40220345293. The next prime is 40220345323. The reversal of 40220345304 is 40354302204.

40220345304 is a `hidden beast` number, since 4 + 0 + 2 + 203 + 453 + 0 + 4 = 666.

40220345304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 279307882 + ... + 279308025.

Almost surely, 2^40220345304 is an apocalyptic number.

It is an amenable number.

40220345304 is an abundant number, since it is smaller than the sum of its proper divisors (68709756756).

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

40220345304 is a wasteful number, since it uses less digits than its factorization.

40220345304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558615919 (or 558615912 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

Adding to 40220345304 its reverse (40354302204), we get a palindrome (80574647508).

The spelling of 40220345304 in words is "forty billion, two hundred twenty million, three hundred forty-five thousand, three hundred four".