1408198650 has 24 divisors (see below), whose sum is σ = 3492333024. Its totient is φ = 375519600.

The previous prime is 1408198619. The next prime is 1408198663. The reversal of 1408198650 is 568918041.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4693846 + ... + 4694145.

It is an arithmetic number, because the mean of its divisors is an integer number (145513876).

Almost surely, 2^1408198650 is an apocalyptic number.

1408198650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1408198650 is an abundant number, since it is smaller than the sum of its proper divisors (2084134374).

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

1408198650 is a wasteful number, since it uses less digits than its factorization.

1408198650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9388006 (or 9388001 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 42.

The square root of 1408198650 is about 37525.9730053732. The cubic root of 1408198650 is about 1120.8684404949.

The spelling of 1408198650 in words is "one billion, four hundred eight million, one hundred ninety-eight thousand, six hundred fifty".