4020065456 has 20 divisors (see below), whose sum is σ = 8496956904. Its totient is φ = 1827302400.

The previous prime is 4020065417. The next prime is 4020065479. The reversal of 4020065456 is 6545600204.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

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, 11420465 + ... + 11420816.

Almost surely, 2^4020065456 is an apocalyptic number.

It is an amenable number.

4020065456 is an abundant number, since it is smaller than the sum of its proper divisors (4476891448).

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

4020065456 is a wasteful number, since it uses less digits than its factorization.

4020065456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22841300 (or 22841294 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 4020065456 is about 63403.9861207480. The cubic root of 4020065456 is about 1590.0509531026.

The spelling of 4020065456 in words is "four billion, twenty million, sixty-five thousand, four hundred fifty-six".