420234254432 has 48 divisors (see below), whose sum is σ = 835589551104. Its totient is φ = 208028496000.

The previous prime is 420234254431. The next prime is 420234254471. The reversal of 420234254432 is 234452432024.

It is a junction number, because it is equal to n+sod(n) for n = 420234254392 and 420234254401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420234254431) 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, 1690457 + ... + 1923047.

It is an arithmetic number, because the mean of its divisors is an integer number (17408115648).

Almost surely, 2^420234254432 is an apocalyptic number.

It is an amenable number.

420234254432 is a deficient number, since it is larger than the sum of its proper divisors (415355296672).

420234254432 is a wasteful number, since it uses less digits than its factorization.

420234254432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233163 (or 233155 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 35.

Adding to 420234254432 its reverse (234452432024), we get a palindrome (654686686456).

The spelling of 420234254432 in words is "four hundred twenty billion, two hundred thirty-four million, two hundred fifty-four thousand, four hundred thirty-two".