15066040 has 64 divisors (see below), whose sum is σ = 37467360. Its totient is φ = 5406720.

The previous prime is 15066019. The next prime is 15066043. The reversal of 15066040 is 4066051.

It is a super-2 number, since 2×15066040² = 453971122563200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15066043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42504 + ... + 42856.

Almost surely, 2^15066040 is an apocalyptic number.

15066040 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 15066040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18733680).

15066040 is an abundant number, since it is smaller than the sum of its proper divisors (22401320).

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

15066040 is a wasteful number, since it uses less digits than its factorization.

15066040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 15066040 is about 3881.4997101636. The cubic root of 15066040 is about 246.9826078986.

The spelling of 15066040 in words is "fifteen million, sixty-six thousand, forty".