5156535240 has 192 divisors, whose sum is σ = 17456774400. Its totient is φ = 1318464000.

The previous prime is 5156535221. The next prime is 5156535281. The reversal of 5156535240 is 425356515.

5156535240 is a `hidden beast` number, since 5 + 1 + 565 + 3 + 52 + 40 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 5156535195 and 5156535204.

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, 1574805 + ... + 1578075.

It is an arithmetic number, because the mean of its divisors is an integer number (90920700).

Almost surely, 2^5156535240 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 5156535240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8728387200).

5156535240 is an abundant number, since it is smaller than the sum of its proper divisors (12300239160).

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

5156535240 is a wasteful number, since it uses less digits than its factorization.

5156535240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3468 (or 3461 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The square root of 5156535240 is about 71809.0192106813. The cubic root of 5156535240 is about 1727.6376635477.

The spelling of 5156535240 in words is "five billion, one hundred fifty-six million, five hundred thirty-five thousand, two hundred forty".