1055456442 has 24 divisors (see below), whose sum is σ = 2360592000. Its totient is φ = 340469640.

The previous prime is 1055456417. The next prime is 1055456443. The reversal of 1055456442 is 2446545501.

1055456442 is a `hidden beast` number, since 1 + 0 + 5 + 5 + 4 + 5 + 644 + 2 = 666.

It is a super-2 number, since 2×1055456442² = 2227976601918598728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1055456397 and 1055456406.

It is not an unprimeable number, because it can be changed into a prime (1055456443) 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, 945192 + ... + 946307.

It is an arithmetic number, because the mean of its divisors is an integer number (98358000).

Almost surely, 2^1055456442 is an apocalyptic number.

1055456442 is an abundant number, since it is smaller than the sum of its proper divisors (1305135558).

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

1055456442 is a wasteful number, since it uses less digits than its factorization.

1055456442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1891538 (or 1891535 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The square root of 1055456442 is about 32487.7891214530. The cubic root of 1055456442 is about 1018.1539215025.

The spelling of 1055456442 in words is "one billion, fifty-five million, four hundred fifty-six thousand, four hundred forty-two".