2041615540 has 24 divisors (see below), whose sum is σ = 4288577832. Its totient is φ = 816420480.

The previous prime is 2041615529. The next prime is 2041615571. The reversal of 2041615540 is 455161402.

It can be written as a sum of positive squares in 4 ways, for example, as 1037612944 + 1004002596 = 32212^2 + 31686^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2041615499 and 2041615508.

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, 73242 + ... + 97198.

It is an arithmetic number, because the mean of its divisors is an integer number (178690743).

Almost surely, 2^2041615540 is an apocalyptic number.

2041615540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2041615540 is an abundant number, since it is smaller than the sum of its proper divisors (2246962292).

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

2041615540 is a wasteful number, since it uses less digits than its factorization.

2041615540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28227 (or 28225 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 2041615540 is about 45184.2399515583. The cubic root of 2041615540 is about 1268.5998457228.

Adding to 2041615540 its reverse (455161402), we get a palindrome (2496776942).

The spelling of 2041615540 in words is "two billion, forty-one million, six hundred fifteen thousand, five hundred forty".