10140561452440 has 128 divisors (see below), whose sum is σ = 23127029228160. Its totient is φ = 4001345961984.

The previous prime is 10140561452363. The next prime is 10140561452473. The reversal of 10140561452440 is 4425416504101.

It is a self number, because there is not a number n which added to its sum of digits gives 10140561452440.

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, 1541818432 + ... + 1541825008.

It is an arithmetic number, because the mean of its divisors is an integer number (180679915845).

Almost surely, 2^{10140561452440} is an apocalyptic number.

10140561452440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10140561452440 is an abundant number, since it is smaller than the sum of its proper divisors (12986467775720).

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

10140561452440 is a wasteful number, since it uses less digits than its factorization.

10140561452440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8261 (or 8257 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 37.

Adding to 10140561452440 its reverse (4425416504101), we get a palindrome (14565977956541).

The spelling of 10140561452440 in words is "ten trillion, one hundred forty billion, five hundred sixty-one million, four hundred fifty-two thousand, four hundred forty".