46409140 has 24 divisors (see below), whose sum is σ = 97894440. Its totient is φ = 18480768.

The previous prime is 46409131. The next prime is 46409141. The reversal of 46409140 is 4190464.

It can be written as a sum of positive squares in 4 ways, for example, as 21288996 + 25120144 = 4614^2 + 5012^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 46409099 and 46409108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46409141) by changing a digit.

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, 487 + ... + 9646.

It is an arithmetic number, because the mean of its divisors is an integer number (4078935).

Almost surely, 2^46409140 is an apocalyptic number.

It is an amenable number.

46409140 is an abundant number, since it is smaller than the sum of its proper divisors (51485300).

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

46409140 is a wasteful number, since it uses less digits than its factorization.

46409140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10371 (or 10369 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 46409140 is about 6812.4254124357. The cubic root of 46409140 is about 359.3639488977.

The spelling of 46409140 in words is "forty-six million, four hundred nine thousand, one hundred forty".