46129040 has 20 divisors (see below), whose sum is σ = 107250204. Its totient is φ = 18451584.

The previous prime is 46129037. The next prime is 46129049. The reversal of 46129040 is 4092164.

It can be written as a sum of positive squares in 2 ways, for example, as 31719424 + 14409616 = 5632^2 + 3796^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (46129049) 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 3 ways as a sum of consecutive naturals, for example, 288227 + ... + 288386.

Almost surely, 2^46129040 is an apocalyptic number.

46129040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

46129040 is an abundant number, since it is smaller than the sum of its proper divisors (61121164).

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

46129040 is a wasteful number, since it uses less digits than its factorization.

46129040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576626 (or 576620 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 46129040 is about 6791.8362760008. The cubic root of 46129040 is about 358.6395152414.

The spelling of 46129040 in words is "forty-six million, one hundred twenty-nine thousand, forty".