7948309456 has 40 divisors (see below), whose sum is σ = 16117343424. Its totient is φ = 3790026240.

The previous prime is 7948309429. The next prime is 7948309469. The reversal of 7948309456 is 6549038497.

It is a junction number, because it is equal to n+sod(n) for n = 7948309397 and 7948309406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91971 + ... + 156061.

Almost surely, 2^7948309456 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 7948309456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8058671712).

7948309456 is an abundant number, since it is smaller than the sum of its proper divisors (8169033968).

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

7948309456 is a wasteful number, since it uses less digits than its factorization.

7948309456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64459 (or 64453 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 55.

The square root of 7948309456 is about 89153.2918965980. The cubic root of 7948309456 is about 1995.6831437465.

It can be divided in two parts, 79 and 48309456, that added together give a triangular number (48309535 = T₉₈₂₉).

The spelling of 7948309456 in words is "seven billion, nine hundred forty-eight million, three hundred nine thousand, four hundred fifty-six".