424555040 has 144 divisors (see below), whose sum is σ = 1241811648. Its totient is φ = 134304768.

The previous prime is 424555003. The next prime is 424555049. The reversal of 424555040 is 40555424.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 424554994 and 424555012.

It is not an unprimeable number, because it can be changed into a prime (424555049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 188159 + ... + 190401.

It is an arithmetic number, because the mean of its divisors is an integer number (8623692).

Almost surely, 2^424555040 is an apocalyptic number.

424555040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 424555040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (620905824).

424555040 is an abundant number, since it is smaller than the sum of its proper divisors (817256608).

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

424555040 is a wasteful number, since it uses less digits than its factorization.

424555040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2291 (or 2270 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 424555040 is about 20604.7334367616. The cubic root of 424555040 is about 751.5848206178.

The spelling of 424555040 in words is "four hundred twenty-four million, five hundred fifty-five thousand, forty".