16026401040 has 80 divisors (see below), whose sum is σ = 53503533888. Its totient is φ = 3944959488.

The previous prime is 16026401023. The next prime is 16026401087. The reversal of 16026401040 is 4010462061.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 16026401040.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2565214 + ... + 2571453.

Almost surely, 2^16026401040 is an apocalyptic number.

16026401040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16026401040 is an abundant number, since it is smaller than the sum of its proper divisors (37477132848).

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

16026401040 is a wasteful number, since it uses less digits than its factorization.

16026401040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5136696 (or 5136690 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The spelling of 16026401040 in words is "sixteen billion, twenty-six million, four hundred one thousand, forty".