16125040 has 40 divisors (see below), whose sum is σ = 37662768. Its totient is φ = 6420480.

The previous prime is 16124981. The next prime is 16125049. The reversal of 16125040 is 4052161.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 16124999 and 16125017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16125049) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 27955 + ... + 28525.

Almost surely, 2^16125040 is an apocalyptic number.

16125040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16125040 is an abundant number, since it is smaller than the sum of its proper divisors (21537728).

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

16125040 is a wasteful number, since it uses less digits than its factorization.

16125040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937 (or 931 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 16125040 is about 4015.5995816316. The cubic root of 16125040 is about 252.6389262605.

The spelling of 16125040 in words is "sixteen million, one hundred twenty-five thousand, forty".