1020440024 has 8 divisors (see below), whose sum is σ = 1913325060. Its totient is φ = 510220008.

The previous prime is 1020440017. The next prime is 1020440033. The reversal of 1020440024 is 4200440201.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1020440024² = 2082595685162241152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1020439984 and 1020440011.

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 as a sum of consecutive naturals, namely, 63777494 + ... + 63777509.

Almost surely, 2^1020440024 is an apocalyptic number.

It is an amenable number.

1020440024 is a deficient number, since it is larger than the sum of its proper divisors (892885036).

1020440024 is a wasteful number, since it uses less digits than its factorization.

1020440024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127555009 (or 127555005 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 1020440024 is about 31944.3269454844. The cubic root of 1020440024 is about 1006.7674397799.

Adding to 1020440024 its reverse (4200440201), we get a palindrome (5220880225).

The spelling of 1020440024 in words is "one billion, twenty million, four hundred forty thousand, twenty-four".