7545378880442 has 8 divisors (see below), whose sum is σ = 12188688960756. Its totient is φ = 3482482560192.

The previous prime is 7545378880423. The next prime is 7545378880453. The reversal of 7545378880442 is 2440888735457.

It can be written as a sum of positive squares in 2 ways, for example, as 7489138283641 + 56240596801 = 2736629^2 + 237151^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145103439983 + ... + 145103440034.

Almost surely, 2^{7545378880442} is an apocalyptic number.

7545378880442 is a deficient number, since it is larger than the sum of its proper divisors (4643310080314).

7545378880442 is a wasteful number, since it uses less digits than its factorization.

7545378880442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290206880032.

The product of its (nonzero) digits is 240844800, while the sum is 65.

The spelling of 7545378880442 in words is "seven trillion, five hundred forty-five billion, three hundred seventy-eight million, eight hundred eighty thousand, four hundred forty-two".