140262824442 has 128 divisors (see below), whose sum is σ = 324206668800. Its totient is φ = 40095419904.

The previous prime is 140262824437. The next prime is 140262824447. The reversal of 140262824442 is 244428262041.

It is an interprime number because it is at equal distance from previous prime (140262824437) and next prime (140262824447).

It is a super-2 number, since 2×140262824442² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 140262824442.

It is not an unprimeable number, because it can be changed into a prime (140262824447) 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 63 ways as a sum of consecutive naturals, for example, 19361673 + ... + 19368915.

It is an arithmetic number, because the mean of its divisors is an integer number (2532864600).

Almost surely, 2^140262824442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140262824442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162103334400).

140262824442 is an abundant number, since it is smaller than the sum of its proper divisors (183943844358).

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

140262824442 is a wasteful number, since it uses less digits than its factorization.

140262824442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7532.

The product of its (nonzero) digits is 196608, while the sum is 39.

The spelling of 140262824442 in words is "one hundred forty billion, two hundred sixty-two million, eight hundred twenty-four thousand, four hundred forty-two".