46515220 has 12 divisors (see below), whose sum is σ = 97682004. Its totient is φ = 18606080.

The previous prime is 46515191. The next prime is 46515229. The reversal of 46515220 is 2251564.

It can be written as a sum of positive squares in 2 ways, for example, as 10850436 + 35664784 = 3294^2 + 5972^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46515229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1162861 + ... + 1162900.

It is an arithmetic number, because the mean of its divisors is an integer number (8140167).

Almost surely, 2^46515220 is an apocalyptic number.

It is an amenable number.

46515220 is an abundant number, since it is smaller than the sum of its proper divisors (51166784).

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

46515220 is a wasteful number, since it uses less digits than its factorization.

46515220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2325770 (or 2325768 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 46515220 is about 6820.2067417344. The cubic root of 46515220 is about 359.6375467218.

Adding to 46515220 its reverse (2251564), we get a palindrome (48766784).

The spelling of 46515220 in words is "forty-six million, five hundred fifteen thousand, two hundred twenty".