3405515124 has 72 divisors (see below), whose sum is σ = 8978100768. Its totient is φ = 996356480.

The previous prime is 3405515117. The next prime is 3405515129. The reversal of 3405515124 is 4215155043.

3405515124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3405515091 and 3405515100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3405515129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95674 + ... + 126350.

It is an arithmetic number, because the mean of its divisors is an integer number (124695844).

Almost surely, 2^3405515124 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 3405515124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4489050384).

3405515124 is an abundant number, since it is smaller than the sum of its proper divisors (5572585644).

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

3405515124 is a wasteful number, since it uses less digits than its factorization.

3405515124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30753 (or 30722 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 3405515124 is about 58356.7915841850. The cubic root of 3405515124 is about 1504.5072022978.

The spelling of 3405515124 in words is "three billion, four hundred five million, five hundred fifteen thousand, one hundred twenty-four".