7142650139520 has 640 divisors, whose sum is σ = 30866479047360. Its totient is φ = 1536568786944.

The previous prime is 7142650139413. The next prime is 7142650139557. The reversal of 7142650139520 is 259310562417.

7142650139520 is a `hidden beast` number, since 7 + 1 + 42 + 6 + 50 + 1 + 39 + 520 = 666.

It is a tau number, because it is divible by the number of its divisors (640).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 5590042 + ... + 6747878.

Almost surely, 2^{7142650139520} is an apocalyptic number.

7142650139520 is a gapful number since it is divisible by the number (70) 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 7142650139520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15433239523680).

7142650139520 is an abundant number, since it is smaller than the sum of its proper divisors (23723828907840).

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

7142650139520 is a wasteful number, since it uses less digits than its factorization.

7142650139520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157892 (or 1157871 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The spelling of 7142650139520 in words is "seven trillion, one hundred forty-two billion, six hundred fifty million, one hundred thirty-nine thousand, five hundred twenty".