5408981630 has 64 divisors (see below), whose sum is σ = 11284152768. Its totient is φ = 1848821760.

The previous prime is 5408981551. The next prime is 5408981639. The reversal of 5408981630 is 361898045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5408981639) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 114749 + ... + 154871.

It is an arithmetic number, because the mean of its divisors is an integer number (176314887).

Almost surely, 2^5408981630 is an apocalyptic number.

5408981630 is an abundant number, since it is smaller than the sum of its proper divisors (5875171138).

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

5408981630 is a wasteful number, since it uses less digits than its factorization.

5408981630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40221.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 5408981630 is about 73545.7791446933. The cubic root of 5408981630 is about 1755.3827873133.

The spelling of 5408981630 in words is "five billion, four hundred eight million, nine hundred eighty-one thousand, six hundred thirty".