420433231241542 has 32 divisors (see below), whose sum is σ = 659070185760000. Its totient is φ = 200770994712288.

The previous prime is 420433231241537. The next prime is 420433231241561. The reversal of 420433231241542 is 245142132334024.

It is a junction number, because it is equal to n+sod(n) for n = 420433231241495 and 420433231241504.

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, 743980209 + ... + 744545107.

It is an arithmetic number, because the mean of its divisors is an integer number (20595943305000).

Almost surely, 2^{420433231241542} is an apocalyptic number.

420433231241542 is a deficient number, since it is larger than the sum of its proper divisors (238636954518458).

420433231241542 is a wasteful number, since it uses less digits than its factorization.

420433231241542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589500.

The product of its (nonzero) digits is 552960, while the sum is 40.

Adding to 420433231241542 its reverse (245142132334024), we get a palindrome (665575363575566).

The spelling of 420433231241542 in words is "four hundred twenty trillion, four hundred thirty-three billion, two hundred thirty-one million, two hundred forty-one thousand, five hundred forty-two".