1840051680 has 48 divisors (see below), whose sum is σ = 5796164304. Its totient is φ = 490680320.

The previous prime is 1840051673. The next prime is 1840051693. The reversal of 1840051680 is 861500481.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1916241 + ... + 1917200.

It is an arithmetic number, because the mean of its divisors is an integer number (120753423).

Almost surely, 2^1840051680 is an apocalyptic number.

1840051680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1840051680 is an abundant number, since it is smaller than the sum of its proper divisors (3956112624).

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

1840051680 is a wasteful number, since it uses less digits than its factorization.

1840051680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3833459 (or 3833451 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 1840051680 is about 42895.8235729307. The cubic root of 1840051680 is about 1225.3966073846.

The spelling of 1840051680 in words is "one billion, eight hundred forty million, fifty-one thousand, six hundred eighty".