5539945240 has 16 divisors (see below), whose sum is σ = 12464876880. Its totient is φ = 2215978080.

The previous prime is 5539945157. The next prime is 5539945283. The reversal of 5539945240 is 425499355.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69249276 + ... + 69249355.

It is an arithmetic number, because the mean of its divisors is an integer number (779054805).

Almost surely, 2^5539945240 is an apocalyptic number.

It is an amenable number.

5539945240 is an abundant number, since it is smaller than the sum of its proper divisors (6924931640).

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

5539945240 is a wasteful number, since it uses less digits than its factorization.

5539945240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138498642 (or 138498638 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 46.

The square root of 5539945240 is about 74430.8084061970. The cubic root of 5539945240 is about 1769.4372156109.

The spelling of 5539945240 in words is "five billion, five hundred thirty-nine million, nine hundred forty-five thousand, two hundred forty".