240200128 has 56 divisors (see below), whose sum is σ = 573430400. Its totient is φ = 97521408.

The previous prime is 240200117. The next prime is 240200131. The reversal of 240200128 is 821002042.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×240200128² = 115392202982432768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5598 + ... + 22621.

Almost surely, 2^240200128 is an apocalyptic number.

240200128 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

240200128 is an abundant number, since it is smaller than the sum of its proper divisors (333230272).

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

240200128 is a wasteful number, since it uses less digits than its factorization.

240200128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28257 (or 28247 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 240200128 is about 15498.3911423089. The cubic root of 240200128 is about 621.6191877080.

The spelling of 240200128 in words is "two hundred forty million, two hundred thousand, one hundred twenty-eight".