46645040 has 40 divisors (see below), whose sum is σ = 116794608. Its totient is φ = 17222400.

The previous prime is 46645033. The next prime is 46645051. The reversal of 46645040 is 4054664.

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

It is a junction number, because it is equal to n+sod(n) for n = 46644994 and 46645012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21386 + ... + 23465.

Almost surely, 2^46645040 is an apocalyptic number.

46645040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

46645040 is an abundant number, since it is smaller than the sum of its proper divisors (70149568).

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

46645040 is a wasteful number, since it uses less digits than its factorization.

46645040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44877 (or 44871 counting only the distinct ones).

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

The square root of 46645040 is about 6829.7174172875. The cubic root of 46645040 is about 359.9718084920.

The spelling of 46645040 in words is "forty-six million, six hundred forty-five thousand, forty".