15051940 has 24 divisors (see below), whose sum is σ = 31691520. Its totient is φ = 6005088.

The previous prime is 15051923. The next prime is 15051973. The reversal of 15051940 is 4915051.

15051940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9741 + ... + 11179.

It is an arithmetic number, because the mean of its divisors is an integer number (1320480).

Almost surely, 2^15051940 is an apocalyptic number.

15051940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15051940 is an abundant number, since it is smaller than the sum of its proper divisors (16639580).

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

15051940 is a wasteful number, since it uses less digits than its factorization.

15051940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1971 (or 1969 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 15051940 is about 3879.6829767392. The cubic root of 15051940 is about 246.9055351858.

Adding to 15051940 its reverse (4915051), we get a palindrome (19966991).

The spelling of 15051940 in words is "fifteen million, fifty-one thousand, nine hundred forty".