24261940 has 12 divisors (see below), whose sum is σ = 50950116. Its totient is φ = 9704768.

The previous prime is 24261889. The next prime is 24261943. The reversal of 24261940 is 4916242.

It can be written as a sum of positive squares in 2 ways, for example, as 17355556 + 6906384 = 4166^2 + 2628^2 .

It is a junction number, because it is equal to n+sod(n) for n = 24261899 and 24261908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24261943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 606529 + ... + 606568.

It is an arithmetic number, because the mean of its divisors is an integer number (4245843).

Almost surely, 2^24261940 is an apocalyptic number.

24261940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24261940 is an abundant number, since it is smaller than the sum of its proper divisors (26688176).

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

24261940 is a wasteful number, since it uses less digits than its factorization.

24261940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213106 (or 1213104 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 24261940 is about 4925.6410750277. The cubic root of 24261940 is about 289.4955160916.

The spelling of 24261940 in words is "twenty-four million, two hundred sixty-one thousand, nine hundred forty".