3250440999 has 12 divisors (see below), whose sum is σ = 5056241736. Its totient is φ = 2000271312.

The previous prime is 3250440943. The next prime is 3250441031. The reversal of 3250440999 is 9990440523.

It is a happy number.

It is not a de Polignac number, because 3250440999 - 2²³ = 3242052391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3250440929) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13890657 + ... + 13890890.

It is an arithmetic number, because the mean of its divisors is an integer number (421353478).

Almost surely, 2^3250440999 is an apocalyptic number.

3250440999 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

3250440999 is a deficient number, since it is larger than the sum of its proper divisors (1805800737).

3250440999 is a wasteful number, since it uses less digits than its factorization.

3250440999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27781566 (or 27781563 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The square root of 3250440999 is about 57012.6389408524. The cubic root of 3250440999 is about 1481.3150290096.

The spelling of 3250440999 in words is "three billion, two hundred fifty million, four hundred forty thousand, nine hundred ninety-nine".