4540087641 has 4 divisors (see below), whose sum is σ = 6053450192. Its totient is φ = 3026725092.

The previous prime is 4540087621. The next prime is 4540087649. The reversal of 4540087641 is 1467800454.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4540087641 - 2¹⁴ = 4540071257 is a prime.

It is a super-2 number, since 2×4540087641² = 41224791575921889762, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4540087641.

It is not an unprimeable number, because it can be changed into a prime (4540087649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 756681271 + ... + 756681276.

It is an arithmetic number, because the mean of its divisors is an integer number (1513362548).

Almost surely, 2^4540087641 is an apocalyptic number.

It is an amenable number.

4540087641 is a deficient number, since it is larger than the sum of its proper divisors (1513362551).

4540087641 is a wasteful number, since it uses less digits than its factorization.

4540087641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1513362550.

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 4540087641 is about 67380.1724619342. The cubic root of 4540087641 is about 1655.8516004355.

The spelling of 4540087641 in words is "four billion, five hundred forty million, eighty-seven thousand, six hundred forty-one".