2015463120 has 120 divisors (see below), whose sum is σ = 6867664608. Its totient is φ = 488590080.

The previous prime is 2015463091. The next prime is 2015463139. The reversal of 2015463120 is 213645102.

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 (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5662 + ... + 63741.

Almost surely, 2^2015463120 is an apocalyptic number.

2015463120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2015463120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3433832304).

2015463120 is an abundant number, since it is smaller than the sum of its proper divisors (4852201488).

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

2015463120 is a wasteful number, since it uses less digits than its factorization.

2015463120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69441 (or 69424 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2015463120 is about 44893.9096092109. The cubic root of 2015463120 is about 1263.1597691273.

The spelling of 2015463120 in words is "two billion, fifteen million, four hundred sixty-three thousand, one hundred twenty".