7918140905445 has 16 divisors (see below), whose sum is σ = 12677780856960. Its totient is φ = 4220090013504.

The previous prime is 7918140905419. The next prime is 7918140905459. The reversal of 7918140905445 is 5445090418197.

It is not a de Polignac number, because 7918140905445 - 2⁵ = 7918140905413 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182381910 + ... + 182425319.

It is an arithmetic number, because the mean of its divisors is an integer number (792361303560).

Almost surely, 2^{7918140905445} is an apocalyptic number.

It is an amenable number.

7918140905445 is a deficient number, since it is larger than the sum of its proper divisors (4759639951515).

7918140905445 is a wasteful number, since it uses less digits than its factorization.

7918140905445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364808684.

The product of its (nonzero) digits is 7257600, while the sum is 57.

The spelling of 7918140905445 in words is "seven trillion, nine hundred eighteen billion, one hundred forty million, nine hundred five thousand, four hundred forty-five".