554444445554990 has 16 divisors (see below), whose sum is σ = 1002475338334848. Its totient is φ = 220783259036256.

The previous prime is 554444445554977. The next prime is 554444445555067. The reversal of 554444445554990 is 99455544444455.

It is a super-2 number, since 2×554444445554990² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

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, 124314895877 + ... + 124314900336.

It is an arithmetic number, because the mean of its divisors is an integer number (62654708645928).

Almost surely, 2^{554444445554990} is an apocalyptic number.

554444445554990 is a deficient number, since it is larger than the sum of its proper divisors (448030892779858).

554444445554990 is a wasteful number, since it uses less digits than its factorization.

554444445554990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248629796443.

The product of its (nonzero) digits is 4147200000, while the sum is 71.

The spelling of 554444445554990 in words is "five hundred fifty-four trillion, four hundred forty-four billion, four hundred forty-five million, five hundred fifty-four thousand, nine hundred ninety".