16025040 has 100 divisors (see below), whose sum is σ = 55679844. Its totient is φ = 4271616.

The previous prime is 16025039. The next prime is 16025057. The reversal of 16025040 is 4052061.

It is a happy number.

16025040 is a `hidden beast` number, since 160 + 2 + 504 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8928144 + 7096896 = 2988^2 + 2664^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5244 + ... + 7716.

Almost surely, 2^16025040 is an apocalyptic number.

16025040 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 16025040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27839922).

16025040 is an abundant number, since it is smaller than the sum of its proper divisors (39654804).

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

16025040 is a wasteful number, since it uses less digits than its factorization.

16025040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2498 (or 2483 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 16025040 is about 4003.1287763448. The cubic root of 16025040 is about 252.1155932274.

It can be divided in two parts, 160 and 25040, that added together give a triangular number (25200 = T₂₂₄).

The spelling of 16025040 in words is "sixteen million, twenty-five thousand, forty".