7423870902528 has 144 divisors (see below), whose sum is σ = 20944302515136. Its totient is φ = 2326416261120.

The previous prime is 7423870902509. The next prime is 7423870902529. The reversal of 7423870902528 is 8252090783247.

It is a super-2 number, since 2×7423870902528² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7423870902529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11206468 + ... + 11850428.

It is an arithmetic number, because the mean of its divisors is an integer number (145446545244).

Almost surely, 2^{7423870902528} 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 7423870902528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10472151257568).

7423870902528 is an abundant number, since it is smaller than the sum of its proper divisors (13520431612608).

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

7423870902528 is a wasteful number, since it uses less digits than its factorization.

7423870902528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644880 (or 644866 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 57.

The spelling of 7423870902528 in words is "seven trillion, four hundred twenty-three billion, eight hundred seventy million, nine hundred two thousand, five hundred twenty-eight".