46306640 has 80 divisors (see below), whose sum is σ = 115706880. Its totient is φ = 17172480.

The previous prime is 46306639. The next prime is 46306643. The reversal of 46306640 is 4660364.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46306643) 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, 107225 + ... + 107655.

It is an arithmetic number, because the mean of its divisors is an integer number (1446336).

Almost surely, 2^46306640 is an apocalyptic number.

46306640 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 46306640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57853440).

46306640 is an abundant number, since it is smaller than the sum of its proper divisors (69400240).

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

46306640 is a wasteful number, since it uses less digits than its factorization.

46306640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540 (or 534 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 46306640 is about 6804.8982358298. The cubic root of 46306640 is about 359.0991881482.

The spelling of 46306640 in words is "forty-six million, three hundred six thousand, six hundred forty".