1363028240 has 40 divisors (see below), whose sum is σ = 3621762240. Its totient is φ = 467323776.

The previous prime is 1363028239. The next prime is 1363028281. The reversal of 1363028240 is 428203631.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1216430 + ... + 1217549.

It is an arithmetic number, because the mean of its divisors is an integer number (90544056).

Almost surely, 2^1363028240 is an apocalyptic number.

1363028240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1363028240 is an abundant number, since it is smaller than the sum of its proper divisors (2258734000).

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

1363028240 is a wasteful number, since it uses less digits than its factorization.

1363028240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2433999 (or 2433993 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 1363028240 is about 36919.2123426272. The cubic root of 1363028240 is about 1108.7533660138.

The spelling of 1363028240 in words is "one billion, three hundred sixty-three million, twenty-eight thousand, two hundred forty".