2994923520 has 144 divisors (see below), whose sum is σ = 10380186180. Its totient is φ = 798621696.

The previous prime is 2994923509. The next prime is 2994923557. The reversal of 2994923520 is 253294992.

2994923520 is a `hidden beast` number, since 299 + 4 + 9 + 2 + 352 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2962842624 + 32080896 = 54432^2 + 5664^2 .

It is a tau number, because it is divible by the number of its divisors (144).

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 11 ways as a sum of consecutive naturals, for example, 75912 + ... + 108408.

Almost surely, 2^2994923520 is an apocalyptic number.

2994923520 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 2994923520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5190093090).

2994923520 is an abundant number, since it is smaller than the sum of its proper divisors (7385262660).

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

2994923520 is a wasteful number, since it uses less digits than its factorization.

2994923520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32530 (or 32507 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The square root of 2994923520 is about 54725.8944193697. The cubic root of 2994923520 is about 1441.4356053373.

The spelling of 2994923520 in words is "two billion, nine hundred ninety-four million, nine hundred twenty-three thousand, five hundred twenty".