1424021464440 has 128 divisors (see below), whose sum is σ = 4862512468800. Its totient is φ = 370477117440.

The previous prime is 1424021464417. The next prime is 1424021464447. The reversal of 1424021464440 is 444641204241.

1424021464440 is a `hidden beast` number, since 1 + 4 + 2 + 4 + 0 + 2 + 1 + 4 + 644 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1424021464395 and 1424021464404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1424021464447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16035457 + ... + 16124016.

Almost surely, 2^{1424021464440} is an apocalyptic number.

1424021464440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1424021464440 is an abundant number, since it is smaller than the sum of its proper divisors (3438491004360).

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

1424021464440 is a wasteful number, since it uses less digits than its factorization.

1424021464440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32159534 (or 32159524 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 36.

Adding to 1424021464440 its reverse (444641204241), we get a palindrome (1868662668681).

The spelling of 1424021464440 in words is "one trillion, four hundred twenty-four billion, twenty-one million, four hundred sixty-four thousand, four hundred forty".