200002440 has 64 divisors (see below), whose sum is σ = 654557760. Its totient is φ = 48485120.

The previous prime is 200002409. The next prime is 200002441. The reversal of 200002440 is 44200002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is not an unprimeable number, because it can be changed into a prime (200002441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74439 + ... + 77078.

It is an arithmetic number, because the mean of its divisors is an integer number (10227465).

Almost surely, 2^200002440 is an apocalyptic number.

200002440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200002440 is an abundant number, since it is smaller than the sum of its proper divisors (454555320).

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

200002440 is a wasteful number, since it uses less digits than its factorization.

200002440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151542 (or 151538 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 200002440 is about 14142.2218904951. The cubic root of 200002440 is about 584.8059258340.

Adding to 200002440 its reverse (44200002), we get a palindrome (244202442).

The spelling of 200002440 in words is "two hundred million, two thousand, four hundred forty".