4744905840 has 120 divisors (see below), whose sum is σ = 15948006048. Its totient is φ = 1264273920.

The previous prime is 4744905799. The next prime is 4744905859. The reversal of 4744905840 is 485094474.

4744905840 is a `hidden beast` number, since 4 + 74 + 490 + 58 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×4744905840² = 45028262860932211200, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1349685 + ... + 1353195.

Almost surely, 2^4744905840 is an apocalyptic number.

4744905840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4744905840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7974003024).

4744905840 is an abundant number, since it is smaller than the sum of its proper divisors (11203100208).

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

4744905840 is a wasteful number, since it uses less digits than its factorization.

4744905840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5407 (or 5398 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The square root of 4744905840 is about 68883.2769255354. The cubic root of 4744905840 is about 1680.3865607071.

The spelling of 4744905840 in words is "four billion, seven hundred forty-four million, nine hundred five thousand, eight hundred forty".