139955040288 has 864 divisors, whose sum is σ = 517621104000. Its totient is φ = 35602882560.

The previous prime is 139955040287. The next prime is 139955040311. The reversal of 139955040288 is 882040559931.

139955040288 is a `hidden beast` number, since 1 + 3 + 9 + 9 + 550 + 4 + 0 + 2 + 88 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (139955040283) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 318803973 + ... + 318804411.

It is an arithmetic number, because the mean of its divisors is an integer number (599098500).

Almost surely, 2^139955040288 is an apocalyptic number.

139955040288 is a gapful number since it is divisible by the number (18) 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 139955040288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258810552000).

139955040288 is an abundant number, since it is smaller than the sum of its proper divisors (377666063712).

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

139955040288 is a wasteful number, since it uses less digits than its factorization.

139955040288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558 (or 540 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 54.

The spelling of 139955040288 in words is "one hundred thirty-nine billion, nine hundred fifty-five million, forty thousand, two hundred eighty-eight".