45610640 has 80 divisors (see below), whose sum is σ = 114784320. Its totient is φ = 16796160.

The previous prime is 45610637. The next prime is 45610651. The reversal of 45610640 is 4601654.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55835 + ... + 56645.

It is an arithmetic number, because the mean of its divisors is an integer number (1434804).

Almost surely, 2^45610640 is an apocalyptic number.

45610640 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 45610640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57392160).

45610640 is an abundant number, since it is smaller than the sum of its proper divisors (69173680).

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

45610640 is a wasteful number, since it uses less digits than its factorization.

45610640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880 (or 874 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 45610640 is about 6753.5649845100. The cubic root of 45610640 is about 357.2909825183.

The spelling of 45610640 in words is "forty-five million, six hundred ten thousand, six hundred forty".