46657640 has 16 divisors (see below), whose sum is σ = 104979780. Its totient is φ = 18663040.

The previous prime is 46657601. The next prime is 46657669. The reversal of 46657640 is 4675664.

46657640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 44328964 + 2328676 = 6658^2 + 1526^2 .

It is a junction number, because it is equal to n+sod(n) for n = 46657594 and 46657603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 583181 + ... + 583260.

Almost surely, 2^46657640 is an apocalyptic number.

46657640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

46657640 is an abundant number, since it is smaller than the sum of its proper divisors (58322140).

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

46657640 is a wasteful number, since it uses less digits than its factorization.

46657640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166452 (or 1166448 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 46657640 is about 6830.6397943384. The cubic root of 46657640 is about 360.0042180576.

The spelling of 46657640 in words is "forty-six million, six hundred fifty-seven thousand, six hundred forty".