1798415040 has 224 divisors, whose sum is σ = 6083320320. Its totient is φ = 448577536.

The previous prime is 1798414987. The next prime is 1798415051. The reversal of 1798415040 is 405148971.

It is a self number, because there is not a number n which added to its sum of digits gives 1798415040.

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 31 ways as a sum of consecutive naturals, for example, 4291951 + ... + 4292369.

It is an arithmetic number, because the mean of its divisors is an integer number (27157680).

Almost surely, 2^1798415040 is an apocalyptic number.

1798415040 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 1798415040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3041660160).

1798415040 is an abundant number, since it is smaller than the sum of its proper divisors (4284905280).

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

1798415040 is a wasteful number, since it uses less digits than its factorization.

1798415040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719 (or 709 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 1798415040 is about 42407.7238247940. The cubic root of 1798415040 is about 1216.0832554954.

The spelling of 1798415040 in words is "one billion, seven hundred ninety-eight million, four hundred fifteen thousand, forty".