1400051304 has 96 divisors (see below), whose sum is σ = 3980077920. Its totient is φ = 461007936.

The previous prime is 1400051291. The next prime is 1400051327. The reversal of 1400051304 is 4031500041.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 157014 + ... + 165690.

It is an arithmetic number, because the mean of its divisors is an integer number (41459145).

Almost surely, 2^1400051304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1400051304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1990038960).

1400051304 is an abundant number, since it is smaller than the sum of its proper divisors (2580026616).

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

1400051304 is an equidigital number, since it uses as much as digits as its factorization.

1400051304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8781 (or 8765 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1400051304 is about 37417.2594399964. The cubic root of 1400051304 is about 1118.7026069663.

Adding to 1400051304 its reverse (4031500041), we get a palindrome (5431551345).

The spelling of 1400051304 in words is "one billion, four hundred million, fifty-one thousand, three hundred four".