1077644438022 has 32 divisors (see below), whose sum is σ = 2176930847232. Its totient is φ = 355612444704.

The previous prime is 1077644438021. The next prime is 1077644438027. The reversal of 1077644438022 is 2208344467701.

1077644438022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1077644438022² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1077644438021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355203 + ... + 1510449.

It is an arithmetic number, because the mean of its divisors is an integer number (68029088976).

Almost surely, 2^{1077644438022} is an apocalyptic number.

1077644438022 is an abundant number, since it is smaller than the sum of its proper divisors (1099286409210).

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

1077644438022 is a wasteful number, since it uses less digits than its factorization.

1077644438022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156812.

The product of its (nonzero) digits is 1806336, while the sum is 48.

The spelling of 1077644438022 in words is "one trillion, seventy-seven billion, six hundred forty-four million, four hundred thirty-eight thousand, twenty-two".