3345520464 has 240 divisors, whose sum is σ = 11299526784. Its totient is φ = 910310400.

The previous prime is 3345520463. The next prime is 3345520469. The reversal of 3345520464 is 4640255433.

3345520464 is a `hidden beast` number, since 33 + 45 + 520 + 4 + 64 = 666.

It is a super-2 number, since 2×3345520464² = 22385014350085550592, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3345520463) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 759709 + ... + 764099.

Almost surely, 2^3345520464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3345520464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5649763392).

3345520464 is an abundant number, since it is smaller than the sum of its proper divisors (7954006320).

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

3345520464 is a wasteful number, since it uses less digits than its factorization.

3345520464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4466 (or 4457 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

The square root of 3345520464 is about 57840.4742719145. The cubic root of 3345520464 is about 1495.6198835025.

Adding to 3345520464 its reverse (4640255433), we get a palindrome (7985775897).

The spelling of 3345520464 in words is "three billion, three hundred forty-five million, five hundred twenty thousand, four hundred sixty-four".