1352421431040 has 144 divisors (see below), whose sum is σ = 4468237552800. Its totient is φ = 348209627136.

The previous prime is 1352421431027. The next prime is 1352421431057. The reversal of 1352421431040 is 401341242531.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1352421430989 and 1352421431007.

It is a congruent number.

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, 5960935 + ... + 6183654.

It is an arithmetic number, because the mean of its divisors is an integer number (31029427450).

Almost surely, 2^{1352421431040} is an apocalyptic number.

1352421431040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1352421431040 is an abundant number, since it is smaller than the sum of its proper divisors (3115816121760).

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

1352421431040 is a wasteful number, since it uses less digits than its factorization.

1352421431040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12144642 (or 12144628 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 1352421431040 its reverse (401341242531), we get a palindrome (1753762673571).

The spelling of 1352421431040 in words is "one trillion, three hundred fifty-two billion, four hundred twenty-one million, four hundred thirty-one thousand, forty".