5478640272 has 120 divisors (see below), whose sum is σ = 18445277760. Its totient is φ = 1482935040.

The previous prime is 5478640267. The next prime is 5478640301. The reversal of 5478640272 is 2720468745.

It is a happy number.

5478640272 is a `hidden beast` number, since 547 + 86 + 4 + 0 + 27 + 2 = 666.

It is a super-3 number, since 3×5478640272³ (a number of 30 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123879 + ... + 162182.

It is an arithmetic number, because the mean of its divisors is an integer number (153710648).

Almost surely, 2^5478640272 is an apocalyptic number.

It is an amenable number.

5478640272 is an abundant number, since it is smaller than the sum of its proper divisors (12966637488).

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

5478640272 is a wasteful number, since it uses less digits than its factorization.

5478640272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286101 (or 286092 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 45.

The square root of 5478640272 is about 74017.8375258289. The cubic root of 5478640272 is about 1762.8861340795.

The spelling of 5478640272 in words is "five billion, four hundred seventy-eight million, six hundred forty thousand, two hundred seventy-two".