1016427390540 has 96 divisors (see below), whose sum is σ = 2979180933120. Its totient is φ = 258609388800.

The previous prime is 1016427390533. The next prime is 1016427390593. The reversal of 1016427390540 is 450937246101.

It is a junction number, because it is equal to n+sod(n) for n = 1016427390492 and 1016427390501.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3716295 + ... + 3980414.

It is an arithmetic number, because the mean of its divisors is an integer number (31033134720).

Almost surely, 2^{1016427390540} is an apocalyptic number.

1016427390540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1016427390540 is an abundant number, since it is smaller than the sum of its proper divisors (1962753542580).

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

1016427390540 is a wasteful number, since it uses less digits than its factorization.

1016427390540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7696823 (or 7696821 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 1016427390540 in words is "one trillion, sixteen billion, four hundred twenty-seven million, three hundred ninety thousand, five hundred forty".