1407147426 has 48 divisors (see below), whose sum is σ = 3241726488. Its totient is φ = 439603200.

The previous prime is 1407147421. The next prime is 1407147431. The reversal of 1407147426 is 6247417041.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1407147421) and next prime (1407147431).

It can be written as a sum of positive squares in 4 ways, for example, as 1288881801 + 118265625 = 35901^2 + 10875^2 .

It is not an unprimeable number, because it can be changed into a prime (1407147421) 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 23 ways as a sum of consecutive naturals, for example, 64206 + ... + 83286.

Almost surely, 2^1407147426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1407147426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1620863244).

1407147426 is an abundant number, since it is smaller than the sum of its proper divisors (1834579062).

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

1407147426 is a wasteful number, since it uses less digits than its factorization.

1407147426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19347 (or 19344 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 1407147426 is about 37511.9637715756. The cubic root of 1407147426 is about 1120.5894606496.

The spelling of 1407147426 in words is "one billion, four hundred seven million, one hundred forty-seven thousand, four hundred twenty-six".