46128740 has 48 divisors (see below), whose sum is σ = 111428352. Its totient is φ = 15712896.

The previous prime is 46128739. The next prime is 46128743. The reversal of 46128740 is 4782164.

It is a junction number, because it is equal to n+sod(n) for n = 46128697 and 46128706.

It is not an unprimeable number, because it can be changed into a prime (46128743) 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, 22394 + ... + 24366.

It is an arithmetic number, because the mean of its divisors is an integer number (2321424).

Almost surely, 2^46128740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 46128740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55714176).

46128740 is an abundant number, since it is smaller than the sum of its proper divisors (65299612).

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

46128740 is a wasteful number, since it uses less digits than its factorization.

46128740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2156 (or 2154 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 46128740 is about 6791.8141906268. The cubic root of 46128740 is about 358.6387377696.

The spelling of 46128740 in words is "forty-six million, one hundred twenty-eight thousand, seven hundred forty".