46118820 has 48 divisors (see below), whose sum is σ = 140874048. Its totient is φ = 11180160.

The previous prime is 46118801. The next prime is 46118827. The reversal of 46118820 is 2881164.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (46118827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34279 + ... + 35598.

It is an arithmetic number, because the mean of its divisors is an integer number (2934876).

Almost surely, 2^46118820 is an apocalyptic number.

It is an amenable number.

46118820 is an abundant number, since it is smaller than the sum of its proper divisors (94755228).

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

46118820 is a wasteful number, since it uses less digits than its factorization.

46118820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69900 (or 69898 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 46118820 is about 6791.0838604747. The cubic root of 46118820 is about 358.6130274688.

Adding to 46118820 its reverse (2881164), we get a palindrome (48999984).

It can be divided in two parts, 4611 and 8820, that added together give a palindrome (13431).

The spelling of 46118820 in words is "forty-six million, one hundred eighteen thousand, eight hundred twenty".