1400326000 has 80 divisors (see below), whose sum is σ = 3424468320. Its totient is φ = 553766400.

The previous prime is 1400325977. The next prime is 1400326007. The reversal of 1400326000 is 6230041.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400326007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174067 + ... + 181933.

It is an arithmetic number, because the mean of its divisors is an integer number (42805854).

Almost surely, 2^1400326000 is an apocalyptic number.

1400326000 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 1400326000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1712234160).

1400326000 is an abundant number, since it is smaller than the sum of its proper divisors (2024142320).

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

1400326000 is an equidigital number, since it uses as much as digits as its factorization.

1400326000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7979 (or 7963 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1400326000 is about 37420.9299724098. The cubic root of 1400326000 is about 1118.7757669128.

Adding to 1400326000 its reverse (6230041), we get a palindrome (1406556041).

The spelling of 1400326000 in words is "one billion, four hundred million, three hundred twenty-six thousand".