5709474540 has 864 divisors, whose sum is σ = 24074319360. Its totient is φ = 1108546560.

The previous prime is 5709474527. The next prime is 5709474587. The reversal of 5709474540 is 454749075.

5709474540 is a `hidden beast` number, since 570 + 9 + 4 + 74 + 5 + 4 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 78211944 + ... + 78212016.

Almost surely, 2^5709474540 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 5709474540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12037159680).

5709474540 is an abundant number, since it is smaller than the sum of its proper divisors (18364844820).

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

5709474540 is a wasteful number, since it uses less digits than its factorization.

5709474540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The square root of 5709474540 is about 75561.0649739666. The cubic root of 5709474540 is about 1787.3051779779.

It can be divided in two parts, 5709 and 474540, that added together give a square (480249 = 693²).

The spelling of 5709474540 in words is "five billion, seven hundred nine million, four hundred seventy-four thousand, five hundred forty".