1303022342440 has 64 divisors (see below), whose sum is σ = 3608369573760. Its totient is φ = 412385091840.

The previous prime is 1303022342437. The next prime is 1303022342467. The reversal of 1303022342440 is 442432203031.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 1303022342399 and 1303022342408.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178982946 + ... + 178990225.

It is an arithmetic number, because the mean of its divisors is an integer number (56380774590).

Almost surely, 2^{1303022342440} is an apocalyptic number.

1303022342440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1303022342440 is an abundant number, since it is smaller than the sum of its proper divisors (2305347231320).

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

1303022342440 is a wasteful number, since it uses less digits than its factorization.

1303022342440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357973202 (or 357973198 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 1303022342440 its reverse (442432203031), we get a palindrome (1745454545471).

It can be divided in two parts, 130302 and 2342440, that added together give a palindrome (2472742).

The spelling of 1303022342440 in words is "one trillion, three hundred three billion, twenty-two million, three hundred forty-two thousand, four hundred forty".