46666840 has 64 divisors (see below), whose sum is σ = 116328960. Its totient is φ = 16705920.

The previous prime is 46666813. The next prime is 46666849. The reversal of 46666840 is 4866664.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 46666793 and 46666802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46666849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28689 + ... + 30271.

It is an arithmetic number, because the mean of its divisors is an integer number (1817640).

Almost surely, 2^46666840 is an apocalyptic number.

46666840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 46666840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58164480).

46666840 is an abundant number, since it is smaller than the sum of its proper divisors (69662120).

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

46666840 is a wasteful number, since it uses less digits than its factorization.

46666840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672 (or 1668 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 40.

The square root of 46666840 is about 6831.3131973289. The cubic root of 46666840 is about 360.0278784995.

The spelling of 46666840 in words is "forty-six million, six hundred sixty-six thousand, eight hundred forty".