2115420546 has 32 divisors (see below), whose sum is σ = 4260009600. Its totient is φ = 700292736.

The previous prime is 2115420529. The next prime is 2115420577. The reversal of 2115420546 is 6450245112.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 807030 + ... + 809646.

It is an arithmetic number, because the mean of its divisors is an integer number (133125300).

Almost surely, 2^2115420546 is an apocalyptic number.

2115420546 is an abundant number, since it is smaller than the sum of its proper divisors (2144589054).

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

2115420546 is a wasteful number, since it uses less digits than its factorization.

2115420546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3498.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 2115420546 is about 45993.7011557017. The cubic root of 2115420546 is about 1283.7060047871.

Adding to 2115420546 its reverse (6450245112), we get a palindrome (8565665658).

The spelling of 2115420546 in words is "two billion, one hundred fifteen million, four hundred twenty thousand, five hundred forty-six".