1403220000 has 480 divisors, whose sum is σ = 5687079552. Its totient is φ = 294912000.

The previous prime is 1403219971. The next prime is 1403220011. The reversal of 1403220000 is 223041.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 5459872 + ... + 5460128.

Almost surely, 2^1403220000 is an apocalyptic number.

1403220000 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 1403220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2843539776).

1403220000 is an abundant number, since it is smaller than the sum of its proper divisors (4283859552).

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

1403220000 is a wasteful number, since it uses less digits than its factorization.

1403220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1403220000 is about 37459.5782143900. The cubic root of 1403220000 is about 1119.5459469021.

Adding to 1403220000 its reverse (223041), we get a palindrome (1403443041).

The spelling of 1403220000 in words is "one billion, four hundred three million, two hundred twenty thousand".