140242410 has 240 divisors, whose sum is σ = 471912480. Its totient is φ = 28647360.

The previous prime is 140242391. The next prime is 140242411. The reversal of 140242410 is 14242041.

140242410 is a `hidden beast` number, since 14 + 0 + 242 + 410 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (140242411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 2376961 + ... + 2377019.

It is an arithmetic number, because the mean of its divisors is an integer number (1966302).

Almost surely, 2^140242410 is an apocalyptic number.

140242410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 140242410, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235956240).

140242410 is an abundant number, since it is smaller than the sum of its proper divisors (331670070).

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

140242410 is a wasteful number, since it uses less digits than its factorization.

140242410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 140242410 is about 11842.3988279402. The cubic root of 140242410 is about 519.5489308295.

Adding to 140242410 its reverse (14242041), we get a palindrome (154484451).

The spelling of 140242410 in words is "one hundred forty million, two hundred forty-two thousand, four hundred ten".