1423466240 has 144 divisors (see below), whose sum is σ = 3948026880. Its totient is φ = 481628160.

The previous prime is 1423466221. The next prime is 1423466243. The reversal of 1423466240 is 426643241.

It is a super-2 number, since 2×1423466240² = 4052512272839475200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 1423466197 and 1423466206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423466243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 706835 + ... + 708845.

Almost surely, 2^1423466240 is an apocalyptic number.

1423466240 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 1423466240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1974013440).

1423466240 is an abundant number, since it is smaller than the sum of its proper divisors (2524560640).

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

1423466240 is an equidigital number, since it uses as much as digits as its factorization.

1423466240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2118 (or 2104 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 1423466240 is about 37728.8515595161. The cubic root of 1423466240 is about 1124.9046806483.

The spelling of 1423466240 in words is "one billion, four hundred twenty-three million, four hundred sixty-six thousand, two hundred forty".