2902742784 has 432 divisors, whose sum is σ = 9742521600. Its totient is φ = 848517120.

The previous prime is 2902742779. The next prime is 2902742831. The reversal of 2902742784 is 4872472092.

It is a tau number, because it is divible by the number of its divisors (432).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 93636849 + ... + 93636879.

Almost surely, 2^2902742784 is an apocalyptic number.

2902742784 is a gapful number since it is divisible by the number (24) 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 2902742784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4871260800).

2902742784 is an abundant number, since it is smaller than the sum of its proper divisors (6839778816).

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

2902742784 is a wasteful number, since it uses less digits than its factorization.

2902742784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 2902742784 is about 53877.1081629295. The cubic root of 2902742784 is about 1426.4925834504.

The spelling of 2902742784 in words is "two billion, nine hundred two million, seven hundred forty-two thousand, seven hundred eighty-four".