46218090 has 16 divisors (see below), whose sum is σ = 110923488. Its totient is φ = 12324816.

The previous prime is 46218047. The next prime is 46218091. The reversal of 46218090 is 9081264.

46218090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×46218090² = 4272223686496200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1540603 = 46218090 / (4 + 6 + 2 + 1 + 8 + 0 + 9 + 0).

It is not an unprimeable number, because it can be changed into a prime (46218091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 770272 + ... + 770331.

It is an arithmetic number, because the mean of its divisors is an integer number (6932718).

Almost surely, 2^46218090 is an apocalyptic number.

46218090 is an abundant number, since it is smaller than the sum of its proper divisors (64705398).

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

46218090 is a wasteful number, since it uses less digits than its factorization.

46218090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540613.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 46218090 is about 6798.3887797036. The cubic root of 46218090 is about 358.8701459531.

The spelling of 46218090 in words is "forty-six million, two hundred eighteen thousand, ninety".