1799959320 has 224 divisors, whose sum is σ = 6431037120. Its totient is φ = 451630080.

The previous prime is 1799959289. The next prime is 1799959339. The reversal of 1799959320 is 239599971.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 493905 + ... + 497535.

Almost surely, 2^1799959320 is an apocalyptic number.

1799959320 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 1799959320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3215518560).

1799959320 is an abundant number, since it is smaller than the sum of its proper divisors (4631077800).

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

1799959320 is a wasteful number, since it uses less digits than its factorization.

1799959320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3677 (or 3658 counting only the distinct ones).

The product of its (nonzero) digits is 1377810, while the sum is 54.

The square root of 1799959320 is about 42425.9274500865. The cubic root of 1799959320 is about 1216.4312351946.

The spelling of 1799959320 in words is "one billion, seven hundred ninety-nine million, nine hundred fifty-nine thousand, three hundred twenty".