8537274240 has 256 divisors, whose sum is σ = 29894192640. Its totient is φ = 2055168000.

The previous prime is 8537274209. The next prime is 8537274271. The reversal of 8537274240 is 424727358.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8537274209) and next prime (8537274271).

It is a junction number, because it is equal to n+sod(n) for n = 8537274192 and 8537274201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3187782 + ... + 3190458.

It is an arithmetic number, because the mean of its divisors is an integer number (116774190).

Almost surely, 2^8537274240 is an apocalyptic number.

8537274240 is a gapful number since it is divisible by the number (80) 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 8537274240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14947096320).

8537274240 is an abundant number, since it is smaller than the sum of its proper divisors (21356918400).

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

8537274240 is a wasteful number, since it uses less digits than its factorization.

8537274240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2861 (or 2849 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 42.

The square root of 8537274240 is about 92397.3713911819. The cubic root of 8537274240 is about 2043.8063498384.

The spelling of 8537274240 in words is "eight billion, five hundred thirty-seven million, two hundred seventy-four thousand, two hundred forty".