5408443240 has 32 divisors (see below), whose sum is σ = 12884822280. Its totient is φ = 2036119552.

The previous prime is 5408443181. The next prime is 5408443277. The reversal of 5408443240 is 423448045.

It can be written as a sum of positive squares in 4 ways, for example, as 4964329764 + 444113476 = 70458^2 + 21074^2 .

It is a super-4 number, since 4×5408443240⁴ (a number of 40 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 5408443196 and 5408443205.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3976117 + ... + 3977476.

Almost surely, 2^5408443240 is an apocalyptic number.

It is an amenable number.

5408443240 is an abundant number, since it is smaller than the sum of its proper divisors (7476379040).

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

5408443240 is a wasteful number, since it uses less digits than its factorization.

5408443240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7953621 (or 7953617 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 34.

The square root of 5408443240 is about 73542.1188163626. The cubic root of 5408443240 is about 1755.3245439469.

The spelling of 5408443240 in words is "five billion, four hundred eight million, four hundred forty-three thousand, two hundred forty".