2061540288 has 56 divisors (see below), whose sum is σ = 6060551760. Its totient is φ = 687179520.

The previous prime is 2061540287. The next prime is 2061540289. The reversal of 2061540288 is 8820451602.

It is an interprime number because it is at equal distance from previous prime (2061540287) and next prime (2061540289).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2061540281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 594783 + ... + 598238.

Almost surely, 2^2061540288 is an apocalyptic number.

It is an amenable number.

2061540288 is an abundant number, since it is smaller than the sum of its proper divisors (3999011472).

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

2061540288 is a wasteful number, since it uses less digits than its factorization.

2061540288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193042 (or 1193026 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 2061540288 is about 45404.1880006680. The cubic root of 2061540288 is about 1272.7133769862.

The spelling of 2061540288 in words is "two billion, sixty-one million, five hundred forty thousand, two hundred eighty-eight".