24649142 has 16 divisors (see below), whose sum is σ = 42632352. Its totient is φ = 10469760.

The previous prime is 24649139. The next prime is 24649147. The reversal of 24649142 is 24194642.

It is a junction number, because it is equal to n+sod(n) for n = 24649099 and 24649108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24649147) 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, 6209 + ... + 9372.

It is an arithmetic number, because the mean of its divisors is an integer number (2664522).

Almost surely, 2^24649142 is an apocalyptic number.

24649142 is a deficient number, since it is larger than the sum of its proper divisors (17983210).

24649142 is a wasteful number, since it uses less digits than its factorization.

24649142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15703.

The product of its digits is 13824, while the sum is 32.

The square root of 24649142 is about 4964.7902271899. The cubic root of 24649142 is about 291.0274376494.

The spelling of 24649142 in words is "twenty-four million, six hundred forty-nine thousand, one hundred forty-two".