4918404645 has 120 divisors (see below), whose sum is σ = 11189030688. Its totient is φ = 2043921600.

The previous prime is 4918404643. The next prime is 4918404671. The reversal of 4918404645 is 5464048194.

4918404645 is a `hidden beast` number, since 4 + 9 + 184 + 0 + 464 + 5 = 666.

It is not a de Polignac number, because 4918404645 - 2¹ = 4918404643 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 4918404645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4918404643) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 207030 + ... + 229560.

Almost surely, 2^4918404645 is an apocalyptic number.

4918404645 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4918404645 is an abundant number, since it is smaller than the sum of its proper divisors (6270626043).

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

4918404645 is a wasteful number, since it uses less digits than its factorization.

4918404645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22573 (or 22557 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The square root of 4918404645 is about 70131.3385370620. The cubic root of 4918404645 is about 1700.6231446806.

The spelling of 4918404645 in words is "four billion, nine hundred eighteen million, four hundred four thousand, six hundred forty-five".