140240654620 has 48 divisors (see below), whose sum is σ = 324121821408. Its totient is φ = 50545295360.

The previous prime is 140240654579. The next prime is 140240654623. The reversal of 140240654620 is 26456042041.

It is a super-2 number, since 2×140240654620² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140240654623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2795749 + ... + 2845468.

It is an arithmetic number, because the mean of its divisors is an integer number (6752537946).

Almost surely, 2^140240654620 is an apocalyptic number.

140240654620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140240654620 is an abundant number, since it is smaller than the sum of its proper divisors (183881166788).

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

140240654620 is a wasteful number, since it uses less digits than its factorization.

140240654620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5641350 (or 5641348 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

Adding to 140240654620 its reverse (26456042041), we get a palindrome (166696696661).

The spelling of 140240654620 in words is "one hundred forty billion, two hundred forty million, six hundred fifty-four thousand, six hundred twenty".