140210240 has 56 divisors (see below), whose sum is σ = 337962240. Its totient is φ = 55397888.

The previous prime is 140210221. The next prime is 140210243. The reversal of 140210240 is 42012041.

It is a super-2 number, since 2×140210240² = 39317822801715200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140210243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23921 + ... + 29199.

It is an arithmetic number, because the mean of its divisors is an integer number (6035040).

Almost surely, 2^140210240 is an apocalyptic number.

140210240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140210240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168981120).

140210240 is an abundant number, since it is smaller than the sum of its proper divisors (197752000).

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

140210240 is an equidigital number, since it uses as much as digits as its factorization.

140210240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5379 (or 5369 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 140210240 is about 11841.0404948214. The cubic root of 140210240 is about 519.5092016034.

Adding to 140210240 its reverse (42012041), we get a palindrome (182222281).

The spelling of 140210240 in words is "one hundred forty million, two hundred ten thousand, two hundred forty".