1799562240 has 396 divisors, whose sum is σ = 7262567676. Its totient is φ = 410812416.

The previous prime is 1799562239. The next prime is 1799562263. The reversal of 1799562240 is 422659971.

1799562240 is a `hidden beast` number, since 17 + 9 + 9 + 5 + 622 + 4 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 759112704 + 1040449536 = 27552^2 + 32256^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2257522 + ... + 2258318.

Almost surely, 2^1799562240 is an apocalyptic number.

1799562240 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 1799562240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3631283838).

1799562240 is an abundant number, since it is smaller than the sum of its proper divisors (5463005436).

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

1799562240 is a wasteful number, since it uses less digits than its factorization.

1799562240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842 (or 814 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 1799562240 is about 42421.2475064089. The cubic root of 1799562240 is about 1216.3417783510.

The spelling of 1799562240 in words is "one billion, seven hundred ninety-nine million, five hundred sixty-two thousand, two hundred forty".