1840336680 has 256 divisors, whose sum is σ = 6853754880. Its totient is φ = 384943104.

The previous prime is 1840336657. The next prime is 1840336703. The reversal of 1840336680 is 866330481.

1840336680 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1840336657) and next prime (1840336703).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1386177 + ... + 1387503.

It is an arithmetic number, because the mean of its divisors is an integer number (26772480).

Almost surely, 2^1840336680 is an apocalyptic number.

1840336680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1840336680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3426877440).

1840336680 is an abundant number, since it is smaller than the sum of its proper divisors (5013418200).

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

1840336680 is a wasteful number, since it uses less digits than its factorization.

1840336680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1488 (or 1484 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 1840336680 is about 42899.1454460342. The cubic root of 1840336680 is about 1225.4598701012.

The spelling of 1840336680 in words is "one billion, eight hundred forty million, three hundred thirty-six thousand, six hundred eighty".