7345666779450 has 48 divisors (see below), whose sum is σ = 19288856773440. Its totient is φ = 1843618328320.

The previous prime is 7345666779419. The next prime is 7345666779461. The reversal of 7345666779450 is 549776665437.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1440324270 + ... + 1440329369.

It is an arithmetic number, because the mean of its divisors is an integer number (401851182780).

Almost surely, 2^{7345666779450} is an apocalyptic number.

7345666779450 is an abundant number, since it is smaller than the sum of its proper divisors (11943189993990).

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

7345666779450 is a wasteful number, since it uses less digits than its factorization.

7345666779450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2880653671 (or 2880653666 counting only the distinct ones).

The product of its (nonzero) digits is 800150400, while the sum is 69.

The spelling of 7345666779450 in words is "seven trillion, three hundred forty-five billion, six hundred sixty-six million, seven hundred seventy-nine thousand, four hundred fifty".