4869156240 has 240 divisors, whose sum is σ = 18263289408. Its totient is φ = 1198499328.

The previous prime is 4869156233. The next prime is 4869156241. The reversal of 4869156240 is 426519684.

4869156240 is a `hidden beast` number, since 4 + 8 + 6 + 9 + 15 + 624 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4869156241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 243087 + ... + 262353.

Almost surely, 2^4869156240 is an apocalyptic number.

4869156240 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 4869156240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9131644704).

4869156240 is an abundant number, since it is smaller than the sum of its proper divisors (13394133168).

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

4869156240 is a wasteful number, since it uses less digits than its factorization.

4869156240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19308 (or 19290 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 4869156240 is about 69779.3396357403. The cubic root of 4869156240 is about 1694.9279317780.

The spelling of 4869156240 in words is "four billion, eight hundred sixty-nine million, one hundred fifty-six thousand, two hundred forty".