7021408044 has 48 divisors (see below), whose sum is σ = 19041120000. Its totient is φ = 1972113216.

The previous prime is 7021408033. The next prime is 7021408061. The reversal of 7021408044 is 4408041207.

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, 703419 + ... + 713330.

It is an arithmetic number, because the mean of its divisors is an integer number (396690000).

Almost surely, 2^7021408044 is an apocalyptic number.

It is an amenable number.

7021408044 is an abundant number, since it is smaller than the sum of its proper divisors (12019711956).

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

7021408044 is a wasteful number, since it uses less digits than its factorization.

7021408044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416822 (or 1416820 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 30.

The square root of 7021408044 is about 83793.8425184094. The cubic root of 7021408044 is about 1914.8792988617.

The spelling of 7021408044 in words is "seven billion, twenty-one million, four hundred eight thousand, forty-four".