4618832440 has 32 divisors (see below), whose sum is σ = 10414860480. Its totient is φ = 1843535232.

The previous prime is 4618832431. The next prime is 4618832461. The reversal of 4618832440 is 442388164.

It is a happy number.

It is a super-2 number, since 2×4618832440² = 42667226217592707200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 4618832393 and 4618832402.

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, 106179 + ... + 143218.

It is an arithmetic number, because the mean of its divisors is an integer number (325464390).

Almost surely, 2^4618832440 is an apocalyptic number.

4618832440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4618832440 is an abundant number, since it is smaller than the sum of its proper divisors (5796028040).

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

4618832440 is a wasteful number, since it uses less digits than its factorization.

4618832440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249871 (or 249867 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 40.

The square root of 4618832440 is about 67961.9926135189. The cubic root of 4618832440 is about 1665.3699953588.

The spelling of 4618832440 in words is "four billion, six hundred eighteen million, eight hundred thirty-two thousand, four hundred forty".