1408666752 has 48 divisors (see below), whose sum is σ = 4053588630. Its totient is φ = 469555200.

The previous prime is 1408666741. The next prime is 1408666771. The reversal of 1408666752 is 2576668041.

It can be written as a sum of positive squares in only one way, i.e., 1020419136 + 388247616 = 31944^2 + 19704^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 1408666698 and 1408666707.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 610249 + ... + 612552.

Almost surely, 2^1408666752 is an apocalyptic number.

1408666752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1408666752 is an abundant number, since it is smaller than the sum of its proper divisors (2644921878).

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

1408666752 is a wasteful number, since it uses less digits than its factorization.

1408666752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222821 (or 1222806 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 1408666752 is about 37532.2095272847. The cubic root of 1408666752 is about 1120.9926234082.

The spelling of 1408666752 in words is "one billion, four hundred eight million, six hundred sixty-six thousand, seven hundred fifty-two".