403648368 has 40 divisors (see below), whose sum is σ = 1049682816. Its totient is φ = 133656000.

The previous prime is 403648337. The next prime is 403648379. The reversal of 403648368 is 863846304.

It is a congruent number.

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, 20598 + ... + 35093.

Almost surely, 2^403648368 is an apocalyptic number.

403648368 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

403648368 is an abundant number, since it is smaller than the sum of its proper divisors (646034448).

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

403648368 is a wasteful number, since it uses less digits than its factorization.

403648368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55853 (or 55847 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 42.

The square root of 403648368 is about 20091.0021651485. The cubic root of 403648368 is about 739.0396404925.

The spelling of 403648368 in words is "four hundred three million, six hundred forty-eight thousand, three hundred sixty-eight".