4023540479 has 12 divisors (see below), whose sum is σ = 4698256464. Its totient is φ = 3435624864.

The previous prime is 4023540379. The next prime is 4023540497. The reversal of 4023540479 is 9740453204.

It is not a de Polignac number, because 4023540479 - 2¹² = 4023536383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4023540379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143222 + ... + 168995.

It is an arithmetic number, because the mean of its divisors is an integer number (391521372).

Almost surely, 2^4023540479 is an apocalyptic number.

4023540479 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

4023540479 is a deficient number, since it is larger than the sum of its proper divisors (674715985).

4023540479 is a wasteful number, since it uses less digits than its factorization.

4023540479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312494 (or 312487 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 4023540479 is about 63431.3840224222. The cubic root of 4023540479 is about 1590.5089781730.

The spelling of 4023540479 in words is "four billion, twenty-three million, five hundred forty thousand, four hundred seventy-nine".