4540261631 has 2 divisors, whose sum is σ = 4540261632. Its totient is φ = 4540261630.

The previous prime is 4540261619. The next prime is 4540261697. The reversal of 4540261631 is 1361620454.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4540261631 is a prime.

It is a super-2 number, since 2×4540261631² = 41227951355861560322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4540269631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2270130815 + 2270130816.

It is an arithmetic number, because the mean of its divisors is an integer number (2270130816).

Almost surely, 2^4540261631 is an apocalyptic number.

4540261631 is a deficient number, since it is larger than the sum of its proper divisors (1).

4540261631 is an equidigital number, since it uses as much as digits as its factorization.

4540261631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 4540261631 is about 67381.4635563817. The cubic root of 4540261631 is about 1655.8727525925.

The spelling of 4540261631 in words is "four billion, five hundred forty million, two hundred sixty-one thousand, six hundred thirty-one".