7945100448 has 48 divisors (see below), whose sum is σ = 20876377536. Its totient is φ = 2645765120.

The previous prime is 7945100447. The next prime is 7945100483. The reversal of 7945100448 is 8440015497.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×7945100448² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7945100447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58840 + ... + 139112.

It is an arithmetic number, because the mean of its divisors is an integer number (434924532).

Almost surely, 2^7945100448 is an apocalyptic number.

It is an amenable number.

7945100448 is an abundant number, since it is smaller than the sum of its proper divisors (12931277088).

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

7945100448 is a wasteful number, since it uses less digits than its factorization.

7945100448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81317 (or 81309 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 7945100448 is about 89135.2929428069. The cubic root of 7945100448 is about 1995.4145321101.

The spelling of 7945100448 in words is "seven billion, nine hundred forty-five million, one hundred thousand, four hundred forty-eight".