140448817854 has 48 divisors (see below), whose sum is σ = 311891669232. Its totient is φ = 45652771584.

The previous prime is 140448817849. The next prime is 140448817867. The reversal of 140448817854 is 458718844041.

140448817854 is a `hidden beast` number, since 1 + 4 + 0 + 448 + 81 + 78 + 54 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 140448817854.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 326454 + ... + 622470.

It is an arithmetic number, because the mean of its divisors is an integer number (6497743109).

Almost surely, 2^140448817854 is an apocalyptic number.

140448817854 is an abundant number, since it is smaller than the sum of its proper divisors (171442851378).

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

140448817854 is a wasteful number, since it uses less digits than its factorization.

140448817854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296681 (or 296678 counting only the distinct ones).

The product of its (nonzero) digits is 4587520, while the sum is 54.

The spelling of 140448817854 in words is "one hundred forty billion, four hundred forty-eight million, eight hundred seventeen thousand, eight hundred fifty-four".