1031024432440 has 64 divisors (see below), whose sum is σ = 2336882688000. Its totient is φ = 409374725760.

The previous prime is 1031024432369. The next prime is 1031024432441. The reversal of 1031024432440 is 442344201301.

It is a super-2 number, since 2×1031024432440² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1031024432399 and 1031024432408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031024432441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45530641 + ... + 45553279.

It is an arithmetic number, because the mean of its divisors is an integer number (36513792000).

Almost surely, 2^{1031024432440} is an apocalyptic number.

1031024432440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031024432440 is an abundant number, since it is smaller than the sum of its proper divisors (1305858255560).

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

1031024432440 is a wasteful number, since it uses less digits than its factorization.

1031024432440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30980 (or 30976 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 1031024432440 its reverse (442344201301), we get a palindrome (1473368633741).

The spelling of 1031024432440 in words is "one trillion, thirty-one billion, twenty-four million, four hundred thirty-two thousand, four hundred forty".