16064040 has 64 divisors (see below), whose sum is σ = 48470400. Its totient is φ = 4259072.

The previous prime is 16064033. The next prime is 16064053. The reversal of 16064040 is 4046061.

16064040 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×16064040² = 516106762243200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16063998 and 16064016.

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, 31306 + ... + 31814.

It is an arithmetic number, because the mean of its divisors is an integer number (757350).

Almost surely, 2^16064040 is an apocalyptic number.

16064040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16064040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24235200).

16064040 is an abundant number, since it is smaller than the sum of its proper divisors (32406360).

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

16064040 is a wasteful number, since it uses less digits than its factorization.

16064040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786 (or 782 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 16064040 is about 4007.9970059869. The cubic root of 16064040 is about 252.3199513751.

The spelling of 16064040 in words is "sixteen million, sixty-four thousand, forty".