46189540 has 12 divisors (see below), whose sum is σ = 96998076. Its totient is φ = 18475808.

The previous prime is 46189523. The next prime is 46189573. The reversal of 46189540 is 4598164.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 35808256 + 10381284 = 5984^2 + 3222^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 46189540.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1154719 + ... + 1154758.

It is an arithmetic number, because the mean of its divisors is an integer number (8083173).

Almost surely, 2^46189540 is an apocalyptic number.

It is an amenable number.

46189540 is an abundant number, since it is smaller than the sum of its proper divisors (50808536).

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

46189540 is a wasteful number, since it uses less digits than its factorization.

46189540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2309486 (or 2309484 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 46189540 is about 6796.2886931030. The cubic root of 46189540 is about 358.7962365591.

The spelling of 46189540 in words is "forty-six million, one hundred eighty-nine thousand, five hundred forty".