2823949440 has 384 divisors, whose sum is σ = 10841212800. Its totient is φ = 694407168.

The previous prime is 2823949417. The next prime is 2823949487. The reversal of 2823949440 is 449493282.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (384).

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2919837 + ... + 2920803.

It is an arithmetic number, because the mean of its divisors is an integer number (28232325).

Almost surely, 2^2823949440 is an apocalyptic number.

2823949440 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 2823949440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5420606400).

2823949440 is an abundant number, since it is smaller than the sum of its proper divisors (8017263360).

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

2823949440 is a wasteful number, since it uses less digits than its factorization.

2823949440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021 (or 990 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 2823949440 is about 53140.8453075410. The cubic root of 2823949440 is about 1413.4668874228.

The spelling of 2823949440 in words is "two billion, eight hundred twenty-three million, nine hundred forty-nine thousand, four hundred forty".