1016426440 has 32 divisors (see below), whose sum is σ = 2299752000. Its totient is φ = 404296384.

The previous prime is 1016426407. The next prime is 1016426459. The reversal of 1016426440 is 446246101.

It is a junction number, because it is equal to n+sod(n) for n = 1016426399 and 1016426408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63820 + ... + 78139.

It is an arithmetic number, because the mean of its divisors is an integer number (71867250).

Almost surely, 2^1016426440 is an apocalyptic number.

1016426440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1016426440 is an abundant number, since it is smaller than the sum of its proper divisors (1283325560).

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

1016426440 is a wasteful number, since it uses less digits than its factorization.

1016426440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142149 (or 142145 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 1016426440 is about 31881.4435055880. The cubic root of 1016426440 is about 1005.4457697578.

The spelling of 1016426440 in words is "one billion, sixteen million, four hundred twenty-six thousand, four hundred forty".