240378198 has 64 divisors (see below), whose sum is σ = 538306560. Its totient is φ = 71165952.

The previous prime is 240378197. The next prime is 240378217. The reversal of 240378198 is 891873042.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240378197) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 184686 + ... + 185982.

It is an arithmetic number, because the mean of its divisors is an integer number (8411040).

Almost surely, 2^240378198 is an apocalyptic number.

240378198 is an abundant number, since it is smaller than the sum of its proper divisors (297928362).

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

240378198 is a wasteful number, since it uses less digits than its factorization.

240378198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 240378198 is about 15504.1348678345. The cubic root of 240378198 is about 621.7727601860.

It can be divided in two parts, 2403 and 78198, that added together give a triangular number (80601 = T₄₀₁).

The spelling of 240378198 in words is "two hundred forty million, three hundred seventy-eight thousand, one hundred ninety-eight".