747440471221040 has 80 divisors (see below), whose sum is σ = 1739421163212096. Its totient is φ = 298697246438400.

The previous prime is 747440471220959. The next prime is 747440471221057. The reversal of 747440471221040 is 40122174044747.

It is a tau number, because it is divible by the number of its divisors (80).

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, 387769094 + ... + 389691866.

Almost surely, 2^{747440471221040} is an apocalyptic number.

It is an amenable number.

747440471221040 is an abundant number, since it is smaller than the sum of its proper divisors (991980691991056).

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

747440471221040 is a wasteful number, since it uses less digits than its factorization.

747440471221040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1927318 (or 1927312 counting only the distinct ones).

The product of its (nonzero) digits is 1404928, while the sum is 47.

The spelling of 747440471221040 in words is "seven hundred forty-seven trillion, four hundred forty billion, four hundred seventy-one million, two hundred twenty-one thousand, forty".