24061980 has 48 divisors (see below), whose sum is σ = 70922880. Its totient is φ = 6078528.

The previous prime is 24061969. The next prime is 24061981. The reversal of 24061980 is 8916042.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24061981) 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, 9414 + ... + 11693.

It is an arithmetic number, because the mean of its divisors is an integer number (1477560).

Almost surely, 2^24061980 is an apocalyptic number.

24061980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24061980 is an abundant number, since it is smaller than the sum of its proper divisors (46860900).

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

24061980 is a wasteful number, since it uses less digits than its factorization.

24061980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21138 (or 21136 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 24061980 is about 4905.3012139929. The cubic root of 24061980 is about 288.6980079174.

The spelling of 24061980 in words is "twenty-four million, sixty-one thousand, nine hundred eighty".