1408749885 has 48 divisors (see below), whose sum is σ = 2555280000. Its totient is φ = 716614272.

The previous prime is 1408749871. The next prime is 1408749893. The reversal of 1408749885 is 5889478041.

1408749885 is a `hidden beast` number, since 1 + 408 + 74 + 98 + 85 = 666.

It is not a de Polignac number, because 1408749885 - 2¹⁶ = 1408684349 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 400866 + ... + 404364.

It is an arithmetic number, because the mean of its divisors is an integer number (53235000).

Almost surely, 2^1408749885 is an apocalyptic number.

1408749885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1408749885 is a deficient number, since it is larger than the sum of its proper divisors (1146530115).

1408749885 is a wasteful number, since it uses less digits than its factorization.

1408749885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3922 (or 3919 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 54.

The square root of 1408749885 is about 37533.3169997004. The cubic root of 1408749885 is about 1121.0146749087.

The spelling of 1408749885 in words is "one billion, four hundred eight million, seven hundred forty-nine thousand, eight hundred eighty-five".