2415782880 has 480 divisors, whose sum is σ = 10069678080. Its totient is φ = 533744640.

The previous prime is 2415782867. The next prime is 2415782891. The reversal of 2415782880 is 882875142.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (480).

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 79 ways as a sum of consecutive naturals, for example, 2811891 + ... + 2812749.

It is an arithmetic number, because the mean of its divisors is an integer number (20978496).

Almost surely, 2^2415782880 is an apocalyptic number.

2415782880 is a gapful number since it is divisible by the number (20) 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 2415782880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5034839040).

2415782880 is an abundant number, since it is smaller than the sum of its proper divisors (7653895200).

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

2415782880 is a wasteful number, since it uses less digits than its factorization.

2415782880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924 (or 907 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 45.

The square root of 2415782880 is about 49150.6142382778. The cubic root of 2415782880 is about 1341.7943734171.

The spelling of 2415782880 in words is "two billion, four hundred fifteen million, seven hundred eighty-two thousand, eight hundred eighty".