46006640 has 40 divisors (see below), whose sum is σ = 107263968. Its totient is φ = 18351360.

The previous prime is 46006591. The next prime is 46006643. The reversal of 46006640 is 4660064.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×46006640² = 4233221848179200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46006643) 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, 42749 + ... + 43811.

Almost surely, 2^46006640 is an apocalyptic number.

46006640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

46006640 is an abundant number, since it is smaller than the sum of its proper divisors (61257328).

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

46006640 is a wasteful number, since it uses less digits than its factorization.

46006640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1617 (or 1611 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 46006640 is about 6782.8194727561. The cubic root of 46006640 is about 358.3220264445.

The spelling of 46006640 in words is "forty-six million, six thousand, six hundred forty".