2054561240 has 32 divisors (see below), whose sum is σ = 4630145760. Its totient is φ = 820512000.

The previous prime is 2054561237. The next prime is 2054561251. The reversal of 2054561240 is 421654502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15461 + ... + 65940.

It is an arithmetic number, because the mean of its divisors is an integer number (144692055).

Almost surely, 2^2054561240 is an apocalyptic number.

2054561240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2054561240 is an abundant number, since it is smaller than the sum of its proper divisors (2575584520).

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

2054561240 is a wasteful number, since it uses less digits than its factorization.

2054561240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82043 (or 82039 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 2054561240 is about 45327.2681727015. The cubic root of 2054561240 is about 1271.2755572526.

The spelling of 2054561240 in words is "two billion, fifty-four million, five hundred sixty-one thousand, two hundred forty".