5478387400 has 48 divisors (see below), whose sum is σ = 12977601300. Its totient is φ = 2150004480.

The previous prime is 5478387391. The next prime is 5478387403. The reversal of 5478387400 is 47838745.

It can be written as a sum of positive squares in 6 ways, for example, as 3537632484 + 1940754916 = 59478^2 + 44054^2 .

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (5478387403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 247815 + ... + 269014.

Almost surely, 2^5478387400 is an apocalyptic number.

5478387400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5478387400 is an abundant number, since it is smaller than the sum of its proper divisors (7499213900).

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

5478387400 is a wasteful number, since it uses less digits than its factorization.

5478387400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516898 (or 516889 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 46.

The square root of 5478387400 is about 74016.1293232766. The cubic root of 5478387400 is about 1762.8590110843.

The spelling of 5478387400 in words is "five billion, four hundred seventy-eight million, three hundred eighty-seven thousand, four hundred".