1055358333438 has 16 divisors (see below), whose sum is σ = 2110746934800. Its totient is φ = 351781066496.

The previous prime is 1055358333431. The next prime is 1055358333509. The reversal of 1055358333438 is 8343338535501.

It is a super-2 number, since 2×1055358333438² (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 (1055358333431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 794613 + ... + 1655936.

It is an arithmetic number, because the mean of its divisors is an integer number (131921683425).

Almost surely, 2^{1055358333438} is an apocalyptic number.

1055358333438 is an abundant number, since it is smaller than the sum of its proper divisors (1055388601362).

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

1055358333438 is a wasteful number, since it uses less digits than its factorization.

1055358333438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2522331.

The product of its (nonzero) digits is 7776000, while the sum is 51.

The spelling of 1055358333438 in words is "one trillion, fifty-five billion, three hundred fifty-eight million, three hundred thirty-three thousand, four hundred thirty-eight".