1840913408 has 44 divisors (see below), whose sum is σ = 3896538192. Its totient is φ = 866304000.

The previous prime is 1840913341. The next prime is 1840913413. The reversal of 1840913408 is 8043190481.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 35468 + ... + 70283.

Almost surely, 2^1840913408 is an apocalyptic number.

It is an amenable number.

1840913408 is an abundant number, since it is smaller than the sum of its proper divisors (2055624784).

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

1840913408 is a wasteful number, since it uses less digits than its factorization.

1840913408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105788 (or 105770 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 1840913408 is about 42905.8668249460. The cubic root of 1840913408 is about 1225.5878689999.

The spelling of 1840913408 in words is "one billion, eight hundred forty million, nine hundred thirteen thousand, four hundred eight".