1534681408 has 28 divisors (see below), whose sum is σ = 3279645460. Its totient is φ = 708314112.

The previous prime is 1534681361. The next prime is 1534681427. The reversal of 1534681408 is 8041864351.

It can be written as a sum of positive squares in 2 ways, for example, as 321413184 + 1213268224 = 17928^2 + 34832^2 .

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, 921453 + ... + 923116.

It is an arithmetic number, because the mean of its divisors is an integer number (117130195).

Almost surely, 2^1534681408 is an apocalyptic number.

It is an amenable number.

1534681408 is an abundant number, since it is smaller than the sum of its proper divisors (1744964052).

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

1534681408 is a wasteful number, since it uses less digits than its factorization.

1534681408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1844594 (or 1844584 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 1534681408 is about 39175.0099936171. The cubic root of 1534681408 is about 1153.4693987472.

The spelling of 1534681408 in words is "one billion, five hundred thirty-four million, six hundred eighty-one thousand, four hundred eight".