4531940399 has 8 divisors (see below), whose sum is σ = 5192409888. Its totient is φ = 3874733280.

The previous prime is 4531940389. The next prime is 4531940407. The reversal of 4531940399 is 9930491354.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4531940399 - 2⁴ = 4531940383 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 (4531940339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 812612 + ... + 818169.

It is an arithmetic number, because the mean of its divisors is an integer number (649051236).

Almost surely, 2^4531940399 is an apocalyptic number.

4531940399 is a deficient number, since it is larger than the sum of its proper divisors (660469489).

4531940399 is a wasteful number, since it uses less digits than its factorization.

4531940399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1631185.

The product of its (nonzero) digits is 524880, while the sum is 47.

The square root of 4531940399 is about 67319.6880488910. The cubic root of 4531940399 is about 1654.8605254811.

The spelling of 4531940399 in words is "four billion, five hundred thirty-one million, nine hundred forty thousand, three hundred ninety-nine".