3540087261 has 40 divisors (see below), whose sum is σ = 5418167040. Its totient is φ = 2302696512.

The previous prime is 3540087227. The next prime is 3540087283. The reversal of 3540087261 is 1627800453.

3540087261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3540087261 - 2⁶ = 3540087197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3540087461) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 652020 + ... + 657426.

It is an arithmetic number, because the mean of its divisors is an integer number (135454176).

Almost surely, 2^3540087261 is an apocalyptic number.

It is an amenable number.

3540087261 is a deficient number, since it is larger than the sum of its proper divisors (1878079779).

3540087261 is a wasteful number, since it uses less digits than its factorization.

3540087261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5615 (or 5606 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 3540087261 is about 59498.6324296618. The cubic root of 3540087261 is about 1524.0690921308.

The spelling of 3540087261 in words is "three billion, five hundred forty million, eighty-seven thousand, two hundred sixty-one".