1426327380 has 72 divisors (see below), whose sum is σ = 4486783392. Its totient is φ = 380352672.

The previous prime is 1426327369. The next prime is 1426327381. The reversal of 1426327380 is 837236241.

It is a happy number.

1426327380 is a `hidden beast` number, since 14 + 2 + 632 + 7 + 3 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426327381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 141882 + ... + 151601.

It is an arithmetic number, because the mean of its divisors is an integer number (62316436).

Almost surely, 2^1426327380 is an apocalyptic number.

1426327380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1426327380 is an abundant number, since it is smaller than the sum of its proper divisors (3060456012).

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

1426327380 is a wasteful number, since it uses less digits than its factorization.

1426327380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293507 (or 293493 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 1426327380 is about 37766.7496615740. The cubic root of 1426327380 is about 1125.6578552374.

The spelling of 1426327380 in words is "one billion, four hundred twenty-six million, three hundred twenty-seven thousand, three hundred eighty".