46128090 has 32 divisors (see below), whose sum is σ = 111026880. Its totient is φ = 12265344.

The previous prime is 46128079. The next prime is 46128091. The reversal of 46128090 is 9082164.

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 (46128091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9342 + ... + 13398.

It is an arithmetic number, because the mean of its divisors is an integer number (3469590).

Almost surely, 2^46128090 is an apocalyptic number.

46128090 is an abundant number, since it is smaller than the sum of its proper divisors (64898790).

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

46128090 is a wasteful number, since it uses less digits than its factorization.

46128090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4446.

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

The square root of 46128090 is about 6791.7663387369. The cubic root of 46128090 is about 358.6370532357.

The spelling of 46128090 in words is "forty-six million, one hundred twenty-eight thousand, ninety".