421234314240 has 88 divisors (see below), whose sum is σ = 1347291676080. Its totient is φ = 112329146368.

The previous prime is 421234314211. The next prime is 421234314271. The reversal of 421234314240 is 42413432124.

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 = 421234314198 and 421234314207.

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, 13696695 + ... + 13727414.

Almost surely, 2^421234314240 is an apocalyptic number.

421234314240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

421234314240 is an abundant number, since it is smaller than the sum of its proper divisors (926057361840).

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

421234314240 is a wasteful number, since it uses less digits than its factorization.

421234314240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27424137 (or 27424119 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 421234314240 its reverse (42413432124), we get a palindrome (463647746364).

The spelling of 421234314240 in words is "four hundred twenty-one billion, two hundred thirty-four million, three hundred fourteen thousand, two hundred forty".