2541661038 has 32 divisors (see below), whose sum is σ = 6455013120. Its totient is φ = 726188760.

The previous prime is 2541660997. The next prime is 2541661039. The reversal of 2541661038 is 8301661452.

It is a happy number.

2541661038 is a `hidden beast` number, since 2 + 5 + 4 + 1 + 6 + 610 + 38 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2541660993 and 2541661011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2541661039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3361608 + ... + 3362363.

It is an arithmetic number, because the mean of its divisors is an integer number (201719160).

Almost surely, 2^2541661038 is an apocalyptic number.

2541661038 is an abundant number, since it is smaller than the sum of its proper divisors (3913352082).

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

2541661038 is a wasteful number, since it uses less digits than its factorization.

2541661038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6723989 (or 6723983 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 2541661038 is about 50414.8890507556. The cubic root of 2541661038 is about 1364.7063442684.

The spelling of 2541661038 in words is "two billion, five hundred forty-one million, six hundred sixty-one thousand, thirty-eight".