1302432220040 has 32 divisors (see below), whose sum is σ = 3349111423680. Its totient is φ = 446548189632.

The previous prime is 1302432219989. The next prime is 1302432220087. The reversal of 1302432220040 is 400222342031.

It is a junction number, because it is equal to n+sod(n) for n = 1302432219988 and 1302432220015.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2325771542 + ... + 2325772101.

It is an arithmetic number, because the mean of its divisors is an integer number (104659731990).

Almost surely, 2^{1302432220040} is an apocalyptic number.

1302432220040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1302432220040 is an abundant number, since it is smaller than the sum of its proper divisors (2046679203640).

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

1302432220040 is a wasteful number, since it uses less digits than its factorization.

1302432220040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4651543661 (or 4651543657 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 1302432220040 its reverse (400222342031), we get a palindrome (1702654562071).

The spelling of 1302432220040 in words is "one trillion, three hundred two billion, four hundred thirty-two million, two hundred twenty thousand, forty".