10223013440 has 56 divisors (see below), whose sum is σ = 24677080440. Its totient is φ = 4033179648.

The previous prime is 10223013413. The next prime is 10223013469. The reversal of 10223013440 is 4431032201.

It can be written as a sum of positive squares in 4 ways, for example, as 2897022976 + 7325990464 = 53824^2 + 85592^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 195455 + ... + 242174.

Almost surely, 2^10223013440 is an apocalyptic number.

10223013440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10223013440 is an abundant number, since it is smaller than the sum of its proper divisors (14454067000).

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

10223013440 is an equidigital number, since it uses as much as digits as its factorization.

10223013440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437719 (or 437709 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 10223013440 its reverse (4431032201), we get a palindrome (14654045641).

The spelling of 10223013440 in words is "ten billion, two hundred twenty-three million, thirteen thousand, four hundred forty".