1826772480 has 640 divisors, whose sum is σ = 7424524800. Its totient is φ = 422019072.

The previous prime is 1826772457. The next prime is 1826772517. The reversal of 1826772480 is 842776281.

It is a tau number, because it is divible by the number of its divisors (640).

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 63 ways as a sum of consecutive naturals, for example, 17072587 + ... + 17072693.

It is an arithmetic number, because the mean of its divisors is an integer number (11600820).

Almost surely, 2^1826772480 is an apocalyptic number.

1826772480 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 1826772480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3712262400).

1826772480 is an abundant number, since it is smaller than the sum of its proper divisors (5597752320).

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

1826772480 is a wasteful number, since it uses less digits than its factorization.

1826772480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The square root of 1826772480 is about 42740.7590012157. The cubic root of 1826772480 is about 1222.4416924277.

The spelling of 1826772480 in words is "one billion, eight hundred twenty-six million, seven hundred seventy-two thousand, four hundred eighty".