7000061053440 has 640 divisors, whose sum is σ = 27565775677440. Its totient is φ = 1475690692608.

The previous prime is 7000061053319. The next prime is 7000061053499. The reversal of 7000061053440 is 443501600007.

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 (30).

It is a junction number, because it is equal to n+sod(n) for n = 7000061053398 and 7000061053407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 997298251 + ... + 997305269.

It is an arithmetic number, because the mean of its divisors is an integer number (43071524496).

Almost surely, 2^{7000061053440} is an apocalyptic number.

7000061053440 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 7000061053440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13782887838720).

7000061053440 is an abundant number, since it is smaller than the sum of its proper divisors (20565714624000).

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

7000061053440 is a wasteful number, since it uses less digits than its factorization.

7000061053440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8492 (or 8476 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

Adding to 7000061053440 its reverse (443501600007), we get a palindrome (7443562653447).

The spelling of 7000061053440 in words is "seven trillion, sixty-one million, fifty-three thousand, four hundred forty".