140491369920 has 224 divisors, whose sum is σ = 490116936960. Its totient is φ = 33813135360.

The previous prime is 140491369841. The next prime is 140491369933. The reversal of 140491369920 is 29963194041.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 140491369920.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1419984 + ... + 1515696.

It is an arithmetic number, because the mean of its divisors is an integer number (2188022040).

Almost surely, 2^140491369920 is an apocalyptic number.

140491369920 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 140491369920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245058468480).

140491369920 is an abundant number, since it is smaller than the sum of its proper divisors (349625567040).

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

140491369920 is a wasteful number, since it uses less digits than its factorization.

140491369920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95883 (or 95873 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 48.

The spelling of 140491369920 in words is "one hundred forty billion, four hundred ninety-one million, three hundred sixty-nine thousand, nine hundred twenty".