4951651320 has 384 divisors, whose sum is σ = 20346992640. Its totient is φ = 1014405120.

The previous prime is 4951651279. The next prime is 4951651321. The reversal of 4951651320 is 231561594.

4951651320 is a `hidden beast` number, since 4 + 9 + 516 + 5 + 132 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4951651321) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2022337 + ... + 2024783.

It is an arithmetic number, because the mean of its divisors is an integer number (52986960).

Almost surely, 2^4951651320 is an apocalyptic number.

4951651320 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 4951651320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10173496320).

4951651320 is an abundant number, since it is smaller than the sum of its proper divisors (15395341320).

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

4951651320 is a wasteful number, since it uses less digits than its factorization.

4951651320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2555 (or 2548 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 4951651320 is about 70367.9708390117. The cubic root of 4951651320 is about 1704.4464131584.

The spelling of 4951651320 in words is "four billion, nine hundred fifty-one million, six hundred fifty-one thousand, three hundred twenty".