10140236321540 has 96 divisors (see below), whose sum is σ = 23052305463264. Its totient is φ = 3724538388480.

The previous prime is 10140236321531. The next prime is 10140236321591. The reversal of 10140236321540 is 4512363204101.

It can be written as a sum of positive squares in 16 ways, for example, as 3218464704064 + 6921771617476 = 1794008^2 + 2630926^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10140236321497 and 10140236321506.

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, 573501500 + ... + 573519180.

It is an arithmetic number, because the mean of its divisors is an integer number (240128181909).

Almost surely, 2^{10140236321540} is an apocalyptic number.

10140236321540 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 10140236321540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11526152731632).

10140236321540 is an abundant number, since it is smaller than the sum of its proper divisors (12912069141724).

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

10140236321540 is a wasteful number, since it uses less digits than its factorization.

10140236321540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29097 (or 29095 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 10140236321540 its reverse (4512363204101), we get a palindrome (14652599525641).

The spelling of 10140236321540 in words is "ten trillion, one hundred forty billion, two hundred thirty-six million, three hundred twenty-one thousand, five hundred forty".