15266940 has 144 divisors (see below), whose sum is σ = 49424928. Its totient is φ = 3497472.

The previous prime is 15266939. The next prime is 15266941. The reversal of 15266940 is 4966251.

It is an interprime number because it is at equal distance from previous prime (15266939) and next prime (15266941).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15266941) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 412602 + ... + 412638.

Almost surely, 2^15266940 is an apocalyptic number.

15266940 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 15266940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24712464).

15266940 is an abundant number, since it is smaller than the sum of its proper divisors (34157988).

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

15266940 is a wasteful number, since it uses less digits than its factorization.

15266940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 15266940 is about 3907.2931807071. The cubic root of 15266940 is about 248.0755709689.

The spelling of 15266940 in words is "fifteen million, two hundred sixty-six thousand, nine hundred forty".