46489540 has 24 divisors (see below), whose sum is σ = 97762392. Its totient is φ = 18570240.

The previous prime is 46489517. The next prime is 46489549. The reversal of 46489540 is 4598464.

It can be written as a sum of positive squares in 4 ways, for example, as 31684 + 46457856 = 178^2 + 6816^2 .

It is a super-2 number, since 2×46489540² = 4322554658823200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 46489493 and 46489502.

It is not an unprimeable number, because it can be changed into a prime (46489549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21300 + ... + 23380.

It is an arithmetic number, because the mean of its divisors is an integer number (4073433).

Almost surely, 2^46489540 is an apocalyptic number.

It is an amenable number.

46489540 is an abundant number, since it is smaller than the sum of its proper divisors (51272852).

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

46489540 is a wasteful number, since it uses less digits than its factorization.

46489540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3207 (or 3205 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 46489540 is about 6818.3238409451. The cubic root of 46489540 is about 359.5713519560.

The spelling of 46489540 in words is "forty-six million, four hundred eighty-nine thousand, five hundred forty".