4049530431 has 16 divisors (see below), whose sum is σ = 5514921600. Its totient is φ = 2642313888.

The previous prime is 4049530423. The next prime is 4049530487. The reversal of 4049530431 is 1340359404.

It is not a de Polignac number, because 4049530431 - 2³ = 4049530423 is a prime.

It is a super-2 number, since 2×4049530431² = 32797393423190091522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4049530392 and 4049530401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4049530421) 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, 9421 + ... + 90486.

It is an arithmetic number, because the mean of its divisors is an integer number (344682600).

Almost surely, 2^4049530431 is an apocalyptic number.

4049530431 is a deficient number, since it is larger than the sum of its proper divisors (1465391169).

4049530431 is a wasteful number, since it uses less digits than its factorization.

4049530431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100198.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 4049530431 is about 63635.9209173561. The cubic root of 4049530431 is about 1593.9262475014.

Adding to 4049530431 its reverse (1340359404), we get a palindrome (5389889835).

The spelling of 4049530431 in words is "four billion, forty-nine million, five hundred thirty thousand, four hundred thirty-one".