1400332120 has 32 divisors (see below), whose sum is σ = 3437179920. Its totient is φ = 509211520.

The previous prime is 1400332049. The next prime is 1400332121. The reversal of 1400332120 is 212330041.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1400332094 and 1400332103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400332121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1590847 + ... + 1591726.

Almost surely, 2^1400332120 is an apocalyptic number.

1400332120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1400332120 is an abundant number, since it is smaller than the sum of its proper divisors (2036847800).

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

1400332120 is a wasteful number, since it uses less digits than its factorization.

1400332120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3182595 (or 3182591 counting only the distinct ones).

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

The square root of 1400332120 is about 37421.0117447404. The cubic root of 1400332120 is about 1118.7773967470. Note that the first 3 decimals are identical.

Adding to 1400332120 its reverse (212330041), we get a palindrome (1612662161).

The spelling of 1400332120 in words is "one billion, four hundred million, three hundred thirty-two thousand, one hundred twenty".