140012241320040 has 128 divisors (see below), whose sum is σ = 423426470924160. Its totient is φ = 37035703967744.

The previous prime is 140012241320033. The next prime is 140012241320041. The reversal of 140012241320040 is 40023142210041.

It is a super-2 number, since 2×140012241320040² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (140012241320041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18229024 + ... + 24745136.

It is an arithmetic number, because the mean of its divisors is an integer number (3308019304095).

Almost surely, 2^{140012241320040} is an apocalyptic number.

140012241320040 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 140012241320040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211713235462080).

140012241320040 is an abundant number, since it is smaller than the sum of its proper divisors (283414229604120).

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

140012241320040 is a wasteful number, since it uses less digits than its factorization.

140012241320040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6517571 (or 6517567 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 140012241320040 its reverse (40023142210041), we get a palindrome (180035383530081).

The spelling of 140012241320040 in words is "one hundred forty trillion, twelve billion, two hundred forty-one million, three hundred twenty thousand, forty".