140217246240 has 192 divisors, whose sum is σ = 450274857984. Its totient is φ = 36669017088.

The previous prime is 140217246199. The next prime is 140217246269. The reversal of 140217246240 is 42642712041.

It is a super-2 number, since 2×140217246240² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7290717 + ... + 7309923.

It is an arithmetic number, because the mean of its divisors is an integer number (2345181552).

Almost surely, 2^140217246240 is an apocalyptic number.

140217246240 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 140217246240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225137428992).

140217246240 is an abundant number, since it is smaller than the sum of its proper divisors (310057611744).

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

140217246240 is a wasteful number, since it uses less digits than its factorization.

140217246240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19519 (or 19511 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

Adding to 140217246240 its reverse (42642712041), we get a palindrome (182859958281).

The spelling of 140217246240 in words is "one hundred forty billion, two hundred seventeen million, two hundred forty-six thousand, two hundred forty".