4945402215 has 48 divisors (see below), whose sum is σ = 9520187040. Its totient is φ = 2434648320.

The previous prime is 4945402211. The next prime is 4945402249. The reversal of 4945402215 is 5122045494.

It is a happy number.

4945402215 is a `hidden beast` number, since 4 + 94 + 540 + 2 + 21 + 5 = 666.

It is not a de Polignac number, because 4945402215 - 2² = 4945402211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4945402215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4945402211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 85566 + ... + 131195.

It is an arithmetic number, because the mean of its divisors is an integer number (198337230).

Almost surely, 2^4945402215 is an apocalyptic number.

4945402215 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4945402215 is a deficient number, since it is larger than the sum of its proper divisors (4574784825).

4945402215 is a wasteful number, since it uses less digits than its factorization.

4945402215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216801 (or 216782 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 4945402215 is about 70323.5537711228. The cubic root of 4945402215 is about 1703.7290936369.

The spelling of 4945402215 in words is "four billion, nine hundred forty-five million, four hundred two thousand, two hundred fifteen".