1368996408 has 48 divisors (see below), whose sum is σ = 3992908920. Its totient is φ = 421229376.

The previous prime is 1368996407. The next prime is 1368996463. The reversal of 1368996408 is 8046998631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368996407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 730366 + ... + 732237.

Almost surely, 2^1368996408 is an apocalyptic number.

1368996408 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1368996408 is an abundant number, since it is smaller than the sum of its proper divisors (2623912512).

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

1368996408 is a wasteful number, since it uses less digits than its factorization.

1368996408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1462628 (or 1462621 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The square root of 1368996408 is about 36999.9514594276. The cubic root of 1368996408 is about 1110.3692757232.

The spelling of 1368996408 in words is "one billion, three hundred sixty-eight million, nine hundred ninety-six thousand, four hundred eight".