16406051040 has 120 divisors (see below), whose sum is σ = 57899734200. Its totient is φ = 4374943488.

The previous prime is 16406051029. The next prime is 16406051063. The reversal of 16406051040 is 4015060461.

16406051040 is a `hidden beast` number, since 1 + 6 + 4 + 0 + 605 + 10 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 16406050995 and 16406051013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 619990 + ... + 645909.

It is an arithmetic number, because the mean of its divisors is an integer number (482497785).

Almost surely, 2^16406051040 is an apocalyptic number.

16406051040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16406051040 is an abundant number, since it is smaller than the sum of its proper divisors (41493683160).

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

16406051040 is a wasteful number, since it uses less digits than its factorization.

16406051040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265926 (or 1265909 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The spelling of 16406051040 in words is "sixteen billion, four hundred six million, fifty-one thousand, forty".