1400223744 has 72 divisors (see below), whose sum is σ = 4044156480. Its totient is φ = 466735104.

The previous prime is 1400223703. The next prime is 1400223757. The reversal of 1400223744 is 4473220041.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×1400223744² = 3921253066522755072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 19552 + ... + 56415.

It is an arithmetic number, because the mean of its divisors is an integer number (56168840).

Almost surely, 2^1400223744 is an apocalyptic number.

It is an amenable number.

1400223744 is an abundant number, since it is smaller than the sum of its proper divisors (2643932736).

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

1400223744 is an equidigital number, since it uses as much as digits as its factorization.

1400223744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75995 (or 75972 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 1400223744 is about 37419.5636532550. The cubic root of 1400223744 is about 1118.7485341304.

Adding to 1400223744 its reverse (4473220041), we get a palindrome (5873443785).

The spelling of 1400223744 in words is "one billion, four hundred million, two hundred twenty-three thousand, seven hundred forty-four".