7426880652620 has 96 divisors (see below), whose sum is σ = 18332907780096. Its totient is φ = 2491604755200.

The previous prime is 7426880652617. The next prime is 7426880652689. The reversal of 7426880652620 is 262560886247.

It is a happy number.

It is a super-2 number, since 2×7426880652620² (a number of 27 digits) contains 22 as substring.

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, 4657097 + ... + 6045023.

It is an arithmetic number, because the mean of its divisors is an integer number (190967789376).

Almost surely, 2^{7426880652620} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7426880652620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9166453890048).

7426880652620 is an abundant number, since it is smaller than the sum of its proper divisors (10906027127476).

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

7426880652620 is a wasteful number, since it uses less digits than its factorization.

7426880652620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389831 (or 1389829 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 56.

The spelling of 7426880652620 in words is "seven trillion, four hundred twenty-six billion, eight hundred eighty million, six hundred fifty-two thousand, six hundred twenty".