424342401240 has 64 divisors (see below), whose sum is σ = 1347911163360. Its totient is φ = 106501621760.

The previous prime is 424342401211. The next prime is 424342401247. The reversal of 424342401240 is 42104243424.

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 = 424342401198 and 424342401207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424342401247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104003451 + ... + 104007530.

Almost surely, 2^424342401240 is an apocalyptic number.

424342401240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

424342401240 is an abundant number, since it is smaller than the sum of its proper divisors (923568762120).

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

424342401240 is a wasteful number, since it uses less digits than its factorization.

424342401240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208011012 (or 208011008 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 424342401240 its reverse (42104243424), we get a palindrome (466446644664).

The spelling of 424342401240 in words is "four hundred twenty-four billion, three hundred forty-two million, four hundred one thousand, two hundred forty".