1020234122440 has 128 divisors (see below), whose sum is σ = 2603862777600. Its totient is φ = 356649661440.

The previous prime is 1020234122423. The next prime is 1020234122491. The reversal of 1020234122440 is 442214320201.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15983629 + ... + 16047331.

It is an arithmetic number, because the mean of its divisors is an integer number (20342677950).

Almost surely, 2^{1020234122440} is an apocalyptic number.

1020234122440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1020234122440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1301931388800).

1020234122440 is an abundant number, since it is smaller than the sum of its proper divisors (1583628655160).

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

1020234122440 is a wasteful number, since it uses less digits than its factorization.

1020234122440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65367 (or 65363 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 1020234122440 its reverse (442214320201), we get a palindrome (1462448442641).

The spelling of 1020234122440 in words is "one trillion, twenty billion, two hundred thirty-four million, one hundred twenty-two thousand, four hundred forty".