1368380452 has 12 divisors (see below), whose sum is σ = 2397834460. Its totient is φ = 683284896.

The previous prime is 1368380449. The next prime is 1368380479. The reversal of 1368380452 is 2540838631.

It can be written as a sum of positive squares in 2 ways, for example, as 770284516 + 598095936 = 27754^2 + 24456^2 .

It is a super-2 number, since 2×1368380452² = 3744930122831448608, which contains 22 as substring.

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, 222927 + ... + 228982.

Almost surely, 2^1368380452 is an apocalyptic number.

It is an amenable number.

1368380452 is a deficient number, since it is larger than the sum of its proper divisors (1029454008).

1368380452 is a wasteful number, since it uses less digits than its factorization.

1368380452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452670 (or 452668 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 1368380452 is about 36991.6267822868. The cubic root of 1368380452 is about 1110.2027203267.

The spelling of 1368380452 in words is "one billion, three hundred sixty-eight million, three hundred eighty thousand, four hundred fifty-two".