46640540 has 12 divisors (see below), whose sum is σ = 97945176. Its totient is φ = 18656208.

The previous prime is 46640533. The next prime is 46640543. The reversal of 46640540 is 4504664.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46640543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1165994 + ... + 1166033.

It is an arithmetic number, because the mean of its divisors is an integer number (8162098).

Almost surely, 2^46640540 is an apocalyptic number.

It is an amenable number.

46640540 is an abundant number, since it is smaller than the sum of its proper divisors (51304636).

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

46640540 is a wasteful number, since it uses less digits than its factorization.

46640540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2332036 (or 2332034 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 46640540 is about 6829.3879667215. The cubic root of 46640540 is about 359.9602322327.

The spelling of 46640540 in words is "forty-six million, six hundred forty thousand, five hundred forty".