1400310032 has 80 divisors (see below), whose sum is σ = 3174707520. Its totient is φ = 591552000.

The previous prime is 1400309987. The next prime is 1400310049. The reversal of 1400310032 is 2300130041.

It is a junction number, because it is equal to n+sod(n) for n = 1400309989 and 1400310016.

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 15 ways as a sum of consecutive naturals, for example, 173282 + ... + 181182.

It is an arithmetic number, because the mean of its divisors is an integer number (39683844).

Almost surely, 2^1400310032 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 1400310032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1587353760).

1400310032 is an abundant number, since it is smaller than the sum of its proper divisors (1774397488).

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

1400310032 is a wasteful number, since it uses less digits than its factorization.

1400310032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7992 (or 7986 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1400310032 is about 37420.7166152654. The cubic root of 1400310032 is about 1118.7715144079.

Adding to 1400310032 its reverse (2300130041), we get a palindrome (3700440073).

Subtracting 1400310032 from its reverse (2300130041), we obtain a square (899820009 = 29997²).

The spelling of 1400310032 in words is "one billion, four hundred million, three hundred ten thousand, thirty-two".