1055016438 has 64 divisors (see below), whose sum is σ = 2504663040. Its totient is φ = 289995552.

The previous prime is 1055016437. The next prime is 1055016449. The reversal of 1055016438 is 8346105501.

It is a super-2 number, since 2×1055016438² = 2226119368900415688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1055016399 and 1055016408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055016437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116643 + ... + 125361.

It is an arithmetic number, because the mean of its divisors is an integer number (39135360).

Almost surely, 2^1055016438 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1055016438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1252331520).

1055016438 is an abundant number, since it is smaller than the sum of its proper divisors (1449646602).

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

1055016438 is a wasteful number, since it uses less digits than its factorization.

1055016438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8841.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 1055016438 is about 32481.0165789188. The cubic root of 1055016438 is about 1018.0124174580.

The spelling of 1055016438 in words is "one billion, fifty-five million, sixteen thousand, four hundred thirty-eight".