10077554220444 has 36 divisors (see below), whose sum is σ = 25473999403944. Its totient is φ = 3359160767712.

The previous prime is 10077554220443. The next prime is 10077554220467. The reversal of 10077554220444 is 44402245577001.

10077554220444 is a `hidden beast` number, since 1 + 0 + 0 + 77 + 554 + 2 + 20 + 4 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 10077554220444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10077554220443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4535899 + ... + 6381965.

It is an arithmetic number, because the mean of its divisors is an integer number (707611094554).

Almost surely, 2^{10077554220444} is an apocalyptic number.

It is an amenable number.

10077554220444 is an abundant number, since it is smaller than the sum of its proper divisors (15396445183500).

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

10077554220444 is a wasteful number, since it uses less digits than its factorization.

10077554220444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1997714 (or 1997709 counting only the distinct ones).

The product of its (nonzero) digits is 1254400, while the sum is 45.

Adding to 10077554220444 its reverse (44402245577001), we get a palindrome (54479799797445).

The spelling of 10077554220444 in words is "ten trillion, seventy-seven billion, five hundred fifty-four million, two hundred twenty thousand, four hundred forty-four".