4380420040 has 16 divisors (see below), whose sum is σ = 9855945180. Its totient is φ = 1752168000.

The previous prime is 4380420017. The next prime is 4380420089. The reversal of 4380420040 is 400240834.

It can be written as a sum of positive squares in 2 ways, for example, as 4224220036 + 156200004 = 64994^2 + 12498^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4380419987 and 4380420014.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54755211 + ... + 54755290.

Almost surely, 2^4380420040 is an apocalyptic number.

4380420040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4380420040 is an abundant number, since it is smaller than the sum of its proper divisors (5475525140).

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

4380420040 is a wasteful number, since it uses less digits than its factorization.

4380420040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109510512 (or 109510508 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 4380420040 is about 66184.7417461155. The cubic root of 4380420040 is about 1636.2082786701.

Adding to 4380420040 its reverse (400240834), we get a palindrome (4780660874).

The spelling of 4380420040 in words is "four billion, three hundred eighty million, four hundred twenty thousand, forty".