2904491520 has 960 divisors, whose sum is σ = 12869176320. Its totient is φ = 613122048.

The previous prime is 2904491509. The next prime is 2904491561. The reversal of 2904491520 is 251944092.

2904491520 is a `hidden beast` number, since 2 + 9 + 0 + 44 + 91 + 520 = 666.

It is a tau number, because it is divible by the number of its divisors (960).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 100154866 + ... + 100154894.

It is an arithmetic number, because the mean of its divisors is an integer number (13405392).

Almost surely, 2^2904491520 is an apocalyptic number.

2904491520 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 2904491520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6434588160).

2904491520 is an abundant number, since it is smaller than the sum of its proper divisors (9964684800).

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

2904491520 is an equidigital number, since it uses as much as digits as its factorization.

2904491520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 2904491520 is about 53893.3346528121. The cubic root of 2904491520 is about 1426.7789859261.

The spelling of 2904491520 in words is "two billion, nine hundred four million, four hundred ninety-one thousand, five hundred twenty".