5150861280 has 288 divisors, whose sum is σ = 19303056864. Its totient is φ = 1292599296.

The previous prime is 5150861273. The next prime is 5150861299. The reversal of 5150861280 is 821680515.

5150861280 is a `hidden beast` number, since 515 + 0 + 8 + 61 + 2 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 657064 + ... + 664856.

It is an arithmetic number, because the mean of its divisors is an integer number (67024503).

Almost surely, 2^5150861280 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 5150861280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9651528432).

5150861280 is an abundant number, since it is smaller than the sum of its proper divisors (14152195584).

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

5150861280 is a wasteful number, since it uses less digits than its factorization.

5150861280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7840 (or 7820 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 36.

The square root of 5150861280 is about 71769.5010432705. The cubic root of 5150861280 is about 1727.0037660351.

The spelling of 5150861280 in words is "five billion, one hundred fifty million, eight hundred sixty-one thousand, two hundred eighty".