5406878238 has 32 divisors (see below), whose sum is σ = 10908237600. Its totient is φ = 1786615296.

The previous prime is 5406878221. The next prime is 5406878273. The reversal of 5406878238 is 8328786045.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 311698 + ... + 328586.

It is an arithmetic number, because the mean of its divisors is an integer number (340882425).

Almost surely, 2^5406878238 is an apocalyptic number.

5406878238 is an abundant number, since it is smaller than the sum of its proper divisors (5501359362).

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

5406878238 is a wasteful number, since it uses less digits than its factorization.

5406878238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17356.

The product of its (nonzero) digits is 2580480, while the sum is 51.

The square root of 5406878238 is about 73531.4778717251. The cubic root of 5406878238 is about 1755.1552191023.

It can be divided in two parts, 5406878 and 238, that added together give a triangular number (5407116 = T₃₂₈₈).

The spelling of 5406878238 in words is "five billion, four hundred six million, eight hundred seventy-eight thousand, two hundred thirty-eight".