16152040 has 32 divisors (see below), whose sum is σ = 38481480. Its totient is φ = 6080512.

The previous prime is 16152013. The next prime is 16152041. The reversal of 16152040 is 4025161.

It can be written as a sum of positive squares in 4 ways, for example, as 15476356 + 675684 = 3934^2 + 822^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16151999 and 16152017.

It is not an unprimeable number, because it can be changed into a prime (16152041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11197 + ... + 12556.

Almost surely, 2^16152040 is an apocalyptic number.

16152040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16152040 is an abundant number, since it is smaller than the sum of its proper divisors (22329440).

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

16152040 is a wasteful number, since it uses less digits than its factorization.

16152040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23781 (or 23777 counting only the distinct ones).

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

The square root of 16152040 is about 4018.9600644943. The cubic root of 16152040 is about 252.7798550550.

It can be divided in two parts, 1615 and 2040, that added together give a triangular number (3655 = T₈₅).

The spelling of 16152040 in words is "sixteen million, one hundred fifty-two thousand, forty".