1363502440 has 16 divisors (see below), whose sum is σ = 3067880580. Its totient is φ = 545400960.

The previous prime is 1363502431. The next prime is 1363502443. The reversal of 1363502440 is 442053631.

It can be written as a sum of positive squares in 2 ways, for example, as 1305955044 + 57547396 = 36138^2 + 7586^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1363502399 and 1363502408.

It is not an unprimeable number, because it can be changed into a prime (1363502443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17043741 + ... + 17043820.

Almost surely, 2^1363502440 is an apocalyptic number.

1363502440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1363502440 is an abundant number, since it is smaller than the sum of its proper divisors (1704378140).

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

1363502440 is a wasteful number, since it uses less digits than its factorization.

1363502440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34087572 (or 34087568 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 1363502440 is about 36925.6339146669. The cubic root of 1363502440 is about 1108.8819302089.

The spelling of 1363502440 in words is "one billion, three hundred sixty-three million, five hundred two thousand, four hundred forty".