1408770820 has 24 divisors (see below), whose sum is σ = 3053852928. Its totient is φ = 545330400.

The previous prime is 1408770791. The next prime is 1408770821. The reversal of 1408770820 is 280778041.

It is a self number, because there is not a number n which added to its sum of digits gives 1408770820.

It is not an unprimeable number, because it can be changed into a prime (1408770821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1135486 + ... + 1136725.

It is an arithmetic number, because the mean of its divisors is an integer number (127243872).

Almost surely, 2^1408770820 is an apocalyptic number.

1408770820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1408770820 is an abundant number, since it is smaller than the sum of its proper divisors (1645082108).

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

1408770820 is a wasteful number, since it uses less digits than its factorization.

1408770820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2272251 (or 2272249 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 37.

The square root of 1408770820 is about 37533.5958842208. The cubic root of 1408770820 is about 1121.0202278996.

The spelling of 1408770820 in words is "one billion, four hundred eight million, seven hundred seventy thousand, eight hundred twenty".