140052991488 has 80 divisors (see below), whose sum is σ = 395057638800. Its totient is φ = 43938185216.

The previous prime is 140052991453. The next prime is 140052991489. The reversal of 140052991488 is 884199250041.

It is a super-2 number, since 2×140052991488² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 140052991488.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140052991489) 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, 2655663 + ... + 2707886.

It is an arithmetic number, because the mean of its divisors is an integer number (4938220485).

Almost surely, 2^140052991488 is an apocalyptic number.

It is an amenable number.

140052991488 is an abundant number, since it is smaller than the sum of its proper divisors (255004647312).

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

140052991488 is an equidigital number, since it uses as much as digits as its factorization.

140052991488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5363587 (or 5363571 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 51.

The spelling of 140052991488 in words is "one hundred forty billion, fifty-two million, nine hundred ninety-one thousand, four hundred eighty-eight".