5611299840 has 176 divisors, whose sum is σ = 19942037760. Its totient is φ = 1496309760.

The previous prime is 5611299839. The next prime is 5611299847. The reversal of 5611299840 is 489921165.

5611299840 is a `hidden beast` number, since 5 + 611 + 29 + 9 + 8 + 4 + 0 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (5611299847) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 117945 + ... + 158535.

Almost surely, 2^5611299840 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 5611299840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9971018880).

5611299840 is an abundant number, since it is smaller than the sum of its proper divisors (14330737920).

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

5611299840 is a wasteful number, since it uses less digits than its factorization.

5611299840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40625 (or 40601 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 5611299840 is about 74908.6099190207. The cubic root of 5611299840 is about 1777.0016263783.

The spelling of 5611299840 in words is "five billion, six hundred eleven million, two hundred ninety-nine thousand, eight hundred forty".