10219440 has 240 divisors, whose sum is σ = 40711680. Its totient is φ = 2096640.

The previous prime is 10219427. The next prime is 10219457. The reversal of 10219440 is 4491201.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 129321 + ... + 129399.

It is an arithmetic number, because the mean of its divisors is an integer number (169632).

Almost surely, 2^10219440 is an apocalyptic number.

10219440 is a gapful number since it is divisible by the number (10) 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 10219440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20355840).

10219440 is an abundant number, since it is smaller than the sum of its proper divisors (30492240).

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

10219440 is a wasteful number, since it uses less digits than its factorization.

10219440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 10219440 is about 3196.7858858547. The cubic root of 10219440 is about 217.0079775076.

The spelling of 10219440 in words is "ten million, two hundred nineteen thousand, four hundred forty".