140501505040 has 80 divisors (see below), whose sum is σ = 351983596608. Its totient is φ = 51849543168.

The previous prime is 140501505017. The next prime is 140501505049. The reversal of 140501505040 is 40505105041.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 140501504996 and 140501505014.

It is not an unprimeable number, because it can be changed into a prime (140501505049) 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, 1947859 + ... + 2018701.

Almost surely, 2^140501505040 is an apocalyptic number.

140501505040 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 140501505040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175991798304).

140501505040 is an abundant number, since it is smaller than the sum of its proper divisors (211482091568).

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

140501505040 is a wasteful number, since it uses less digits than its factorization.

140501505040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72776 (or 72770 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The spelling of 140501505040 in words is "one hundred forty billion, five hundred one million, five hundred five thousand, forty".