1822487040 has 800 divisors, whose sum is σ = 7700292864. Its totient is φ = 406978560.

The previous prime is 1822487003. The next prime is 1822487081. The reversal of 1822487040 is 407842281.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1822486986 and 1822487004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 38776297 + ... + 38776343.

Almost surely, 2^1822487040 is an apocalyptic number.

1822487040 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 1822487040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3850146432).

1822487040 is an abundant number, since it is smaller than the sum of its proper divisors (5877805824).

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

1822487040 is a wasteful number, since it uses less digits than its factorization.

1822487040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The square root of 1822487040 is about 42690.5966226756. The cubic root of 1822487040 is about 1221.4850320821.

The spelling of 1822487040 in words is "one billion, eight hundred twenty-two million, four hundred eighty-seven thousand, forty".