200412240 has 80 divisors (see below), whose sum is σ = 710037888. Its totient is φ = 45808128.

The previous prime is 200412221. The next prime is 200412253. The reversal of 200412240 is 42214002.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57967 + ... + 61326.

Almost surely, 2^200412240 is an apocalyptic number.

200412240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200412240 is an abundant number, since it is smaller than the sum of its proper divisors (509625648).

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

200412240 is a wasteful number, since it uses less digits than its factorization.

200412240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119316 (or 119310 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 200412240 is about 14156.7030059968. The cubic root of 200412240 is about 585.2050709197.

Adding to 200412240 its reverse (42214002), we get a palindrome (242626242).

The spelling of 200412240 in words is "two hundred million, four hundred twelve thousand, two hundred forty".