420040330333440 has 72 divisors (see below), whose sum is σ = 1341503805014688. Its totient is φ = 112010754754560.

The previous prime is 420040330333367. The next prime is 420040330333441. The reversal of 420040330333440 is 44333033040024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420040330333441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54692747506 + ... + 54692755185.

Almost surely, 2^{420040330333440} is an apocalyptic number.

420040330333440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

420040330333440 is an abundant number, since it is smaller than the sum of its proper divisors (921463474681248).

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

420040330333440 is a wasteful number, since it uses less digits than its factorization.

420040330333440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109385502715 (or 109385502701 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 33.

Adding to 420040330333440 its reverse (44333033040024), we get a palindrome (464373363373464).

The spelling of 420040330333440 in words is "four hundred twenty trillion, forty billion, three hundred thirty million, three hundred thirty-three thousand, four hundred forty".