1400764180 has 36 divisors (see below), whose sum is σ = 3015658548. Its totient is φ = 546221440.

The previous prime is 1400764121. The next prime is 1400764213. The reversal of 1400764180 is 814670041.

It can be written as a sum of positive squares in 2 ways, for example, as 245987856 + 1154776324 = 15684^2 + 33982^2 .

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1071087 + ... + 1072393.

It is an arithmetic number, because the mean of its divisors is an integer number (83768293).

Almost surely, 2^1400764180 is an apocalyptic number.

1400764180 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 1400764180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1507829274).

1400764180 is an abundant number, since it is smaller than the sum of its proper divisors (1614894368).

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

1400764180 is an equidigital number, since it uses as much as digits as its factorization.

1400764180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2664 (or 1355 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 1400764180 is about 37426.7842594044. The cubic root of 1400764180 is about 1118.8924478480.

It can be divided in two parts, 14007 and 64180, that added together give a palindrome (78187).

The spelling of 1400764180 in words is "one billion, four hundred million, seven hundred sixty-four thousand, one hundred eighty".