2658042240 has 384 divisors, whose sum is σ = 10381478400. Its totient is φ = 575188992.

The previous prime is 2658042239. The next prime is 2658042253. The reversal of 2658042240 is 422408562.

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

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 1786777 + ... + 1788263.

It is an arithmetic number, because the mean of its divisors is an integer number (27035100).

Almost surely, 2^2658042240 is an apocalyptic number.

2658042240 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 2658042240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5190739200).

2658042240 is an abundant number, since it is smaller than the sum of its proper divisors (7723436160).

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

2658042240 is a wasteful number, since it uses less digits than its factorization.

2658042240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542 (or 1523 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

The square root of 2658042240 is about 51556.2046702431. The cubic root of 2658042240 is about 1385.2259732857.

The spelling of 2658042240 in words is "two billion, six hundred fifty-eight million, forty-two thousand, two hundred forty".