2947812480 has 256 divisors, whose sum is σ = 10895558400. Its totient is φ = 751804416.

The previous prime is 2947812451. The next prime is 2947812499. The reversal of 2947812480 is 842187492.

2947812480 is a `hidden beast` number, since 2 + 94 + 7 + 81 + 2 + 480 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 393732 + ... + 401148.

It is an arithmetic number, because the mean of its divisors is an integer number (42560775).

Almost surely, 2^2947812480 is an apocalyptic number.

2947812480 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 2947812480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5447779200).

2947812480 is an abundant number, since it is smaller than the sum of its proper divisors (7947745920).

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

2947812480 is a wasteful number, since it uses less digits than its factorization.

2947812480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7468 (or 7450 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 2947812480 is about 54293.7609675366. The cubic root of 2947812480 is about 1433.8375544703.

The spelling of 2947812480 in words is "two billion, nine hundred forty-seven million, eight hundred twelve thousand, four hundred eighty".