424748332440 has 128 divisors (see below), whose sum is σ = 1442541700800. Its totient is φ = 111129108480.

The previous prime is 424748332439. The next prime is 424748332453. The reversal of 424748332440 is 44233847424.

It is a happy number.

424748332440 is a `hidden beast` number, since 4 + 247 + 4 + 83 + 324 + 4 + 0 = 666.

It is a super-2 number, since 2×424748332440² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3653001 + ... + 3767480.

Almost surely, 2^424748332440 is an apocalyptic number.

424748332440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

424748332440 is an abundant number, since it is smaller than the sum of its proper divisors (1017793368360).

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

424748332440 is a wasteful number, since it uses less digits than its factorization.

424748332440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7420554 (or 7420544 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 45.

The spelling of 424748332440 in words is "four hundred twenty-four billion, seven hundred forty-eight million, three hundred thirty-two thousand, four hundred forty".