4631040 has 160 divisors (see below), whose sum is σ = 16695360. Its totient is φ = 1216512.

The previous prime is 4631017. The next prime is 4631093. The reversal of 4631040 is 401364.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69087 + ... + 69153.

It is an arithmetic number, because the mean of its divisors is an integer number (104346).

Almost surely, 2^4631040 is an apocalyptic number.

4631040 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 4631040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8347680).

4631040 is an abundant number, since it is smaller than the sum of its proper divisors (12064320).

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

4631040 is an equidigital number, since it uses as much as digits as its factorization.

4631040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 4631040 is about 2151.9851300601. The cubic root of 4631040 is about 166.6835893928.

The spelling of 4631040 in words is "four million, six hundred thirty-one thousand, forty".