1031426544 has 80 divisors (see below), whose sum is σ = 2778107904. Its totient is φ = 329376000.

The previous prime is 1031426521. The next prime is 1031426551. The reversal of 1031426544 is 4456241301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146857 + ... + 153719.

Almost surely, 2^1031426544 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 1031426544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1389053952).

1031426544 is an abundant number, since it is smaller than the sum of its proper divisors (1746681360).

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

1031426544 is a wasteful number, since it uses less digits than its factorization.

1031426544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7006 (or 7000 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 1031426544 is about 32115.8301153808. The cubic root of 1031426544 is about 1010.3676549308.

Adding to 1031426544 its reverse (4456241301), we get a palindrome (5487667845).

The spelling of 1031426544 in words is "one billion, thirty-one million, four hundred twenty-six thousand, five hundred forty-four".