7540007221808 has 40 divisors (see below), whose sum is σ = 14739366151440. Its totient is φ = 3736393850880.

The previous prime is 7540007221777. The next prime is 7540007221819. The reversal of 7540007221808 is 8081227000457.

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, 1654613 + ... + 4221108.

It is an arithmetic number, because the mean of its divisors is an integer number (368484153786).

Almost surely, 2^{7540007221808} is an apocalyptic number.

It is an amenable number.

7540007221808 is a deficient number, since it is larger than the sum of its proper divisors (7199358929632).

7540007221808 is a wasteful number, since it uses less digits than its factorization.

7540007221808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5876445 (or 5876439 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 44.

The spelling of 7540007221808 in words is "seven trillion, five hundred forty billion, seven million, two hundred twenty-one thousand, eight hundred eight".