10033440 has 48 divisors (see below), whose sum is σ = 31606848. Its totient is φ = 2675456.

The previous prime is 10033427. The next prime is 10033493. The reversal of 10033440 is 4433001.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 9972 + ... + 10931.

It is an arithmetic number, because the mean of its divisors is an integer number (658476).

Almost surely, 2^10033440 is an apocalyptic number.

10033440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10033440 is an abundant number, since it is smaller than the sum of its proper divisors (21573408).

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

10033440 is a wasteful number, since it uses less digits than its factorization.

10033440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20921 (or 20913 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 10033440 is about 3167.5605755849. The cubic root of 10033440 is about 215.6833494682.

Adding to 10033440 its reverse (4433001), we get a palindrome (14466441).

The spelling of 10033440 in words is "ten million, thirty-three thousand, four hundred forty".