4045272816 has 160 divisors (see below), whose sum is σ = 11631755520. Its totient is φ = 1203535872.

The previous prime is 4045272793. The next prime is 4045272839. The reversal of 4045272816 is 6182725404.

It is an interprime number because it is at equal distance from previous prime (4045272793) and next prime (4045272839).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2870320 + ... + 2871728.

It is an arithmetic number, because the mean of its divisors is an integer number (72698472).

Almost surely, 2^4045272816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4045272816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5815877760).

4045272816 is an abundant number, since it is smaller than the sum of its proper divisors (7586482704).

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

4045272816 is a wasteful number, since it uses less digits than its factorization.

4045272816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583 (or 1577 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 4045272816 is about 63602.4591977386. The cubic root of 4045272816 is about 1593.3674416388.

The spelling of 4045272816 in words is "four billion, forty-five million, two hundred seventy-two thousand, eight hundred sixteen".