4551215996 has 48 divisors (see below), whose sum is σ = 8923944960. Its totient is φ = 2018292480.

The previous prime is 4551215993. The next prime is 4551216023. The reversal of 4551215996 is 6995121554.

It is a self number, because there is not a number n which added to its sum of digits gives 4551215996.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4551215993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237551 + ... + 255993.

It is an arithmetic number, because the mean of its divisors is an integer number (185915520).

Almost surely, 2^4551215996 is an apocalyptic number.

It is an amenable number.

4551215996 is a deficient number, since it is larger than the sum of its proper divisors (4372728964).

4551215996 is a wasteful number, since it uses less digits than its factorization.

4551215996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18674 (or 18672 counting only the distinct ones).

The product of its digits is 486000, while the sum is 47.

The square root of 4551215996 is about 67462.7007760585. The cubic root of 4551215996 is about 1657.2034002808.

The spelling of 4551215996 in words is "four billion, five hundred fifty-one million, two hundred fifteen thousand, nine hundred ninety-six".