46218380 has 24 divisors (see below), whose sum is σ = 104525232. Its totient is φ = 17065152.

The previous prime is 46218379. The next prime is 46218407. The reversal of 46218380 is 8381264.

It is a super-2 number, since 2×46218380² = 4272277299648800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88622 + ... + 89141.

It is an arithmetic number, because the mean of its divisors is an integer number (4355218).

Almost surely, 2^46218380 is an apocalyptic number.

It is an amenable number.

46218380 is an abundant number, since it is smaller than the sum of its proper divisors (58306852).

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

46218380 is a wasteful number, since it uses less digits than its factorization.

46218380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177785 (or 177783 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 46218380 is about 6798.4101082533. The cubic root of 46218380 is about 358.8708965403.

The spelling of 46218380 in words is "forty-six million, two hundred eighteen thousand, three hundred eighty".