421032333040 has 40 divisors (see below), whose sum is σ = 1067891101488. Its totient is φ = 153102666240.

The previous prime is 421032333031. The next prime is 421032333097. The reversal of 421032333040 is 40333230124.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 421032332996 and 421032333014.

It is a congruent number.

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, 239222037 + ... + 239223796.

Almost surely, 2^421032333040 is an apocalyptic number.

421032333040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

421032333040 is an abundant number, since it is smaller than the sum of its proper divisors (646858768448).

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

421032333040 is a wasteful number, since it uses less digits than its factorization.

421032333040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478445857 (or 478445851 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 421032333040 its reverse (40333230124), we get a palindrome (461365563164).

The spelling of 421032333040 in words is "four hundred twenty-one billion, thirty-two million, three hundred thirty-three thousand, forty".