3449009520 has 120 divisors (see below), whose sum is σ = 12635945712. Its totient is φ = 836121600.

The previous prime is 3449009519. The next prime is 3449009569. The reversal of 3449009520 is 259009443.

3449009520 is a `hidden beast` number, since 3 + 44 + 90 + 0 + 9 + 520 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 209821 + ... + 225660.

Almost surely, 2^3449009520 is an apocalyptic number.

3449009520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3449009520 is an abundant number, since it is smaller than the sum of its proper divisors (9186936192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3449009520 is a wasteful number, since it uses less digits than its factorization.

3449009520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435511 (or 435502 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 3449009520 is about 58728.2684914173. The cubic root of 3449009520 is about 1510.8851906741.

The spelling of 3449009520 in words is "three billion, four hundred forty-nine million, nine thousand, five hundred twenty".