4781897040 has 80 divisors (see below), whose sum is σ = 14853960000. Its totient is φ = 1272585216.

The previous prime is 4781897039. The next prime is 4781897059. The reversal of 4781897040 is 407981874.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99796 + ... + 139724.

It is an arithmetic number, because the mean of its divisors is an integer number (185674500).

Almost surely, 2^4781897040 is an apocalyptic number.

4781897040 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 4781897040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7426980000).

4781897040 is an abundant number, since it is smaller than the sum of its proper divisors (10072062960).

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

4781897040 is a wasteful number, since it uses less digits than its factorization.

4781897040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40444 (or 40438 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 48.

The square root of 4781897040 is about 69151.2620275292. The cubic root of 4781897040 is about 1684.7420162871.

The spelling of 4781897040 in words is "four billion, seven hundred eighty-one million, eight hundred ninety-seven thousand, forty".