540837449 has 4 divisors (see below), whose sum is σ = 542344320. Its totient is φ = 539330580.

The previous prime is 540837431. The next prime is 540837461. The reversal of 540837449 is 944738045.

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 a cyclic number.

It is not a de Polignac number, because 540837449 - 2²⁴ = 524060233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540837419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 752897 + ... + 753614.

It is an arithmetic number, because the mean of its divisors is an integer number (135586080).

Almost surely, 2^540837449 is an apocalyptic number.

It is an amenable number.

540837449 is a deficient number, since it is larger than the sum of its proper divisors (1506871).

540837449 is a wasteful number, since it uses less digits than its factorization.

540837449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506870.

The product of its (nonzero) digits is 483840, while the sum is 44.

The square root of 540837449 is about 23255.9121300370. The cubic root of 540837449 is about 814.7460279822.

The spelling of 540837449 in words is "five hundred forty million, eight hundred thirty-seven thousand, four hundred forty-nine".