424102432440 has 32 divisors (see below), whose sum is σ = 1272307297680. Its totient is φ = 113093981952.

The previous prime is 424102432421. The next prime is 424102432469. The reversal of 424102432440 is 44234201424.

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 = 424102432398 and 424102432407.

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, 1767093349 + ... + 1767093588.

Almost surely, 2^424102432440 is an apocalyptic number.

424102432440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

424102432440 is an abundant number, since it is smaller than the sum of its proper divisors (848204865240).

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

424102432440 is a wasteful number, since it uses less digits than its factorization.

424102432440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3534186951 (or 3534186947 counting only the distinct ones).

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

Adding to 424102432440 its reverse (44234201424), we get a palindrome (468336633864).

The spelling of 424102432440 in words is "four hundred twenty-four billion, one hundred two million, four hundred thirty-two thousand, four hundred forty".