24020979139478 has 16 divisors (see below), whose sum is σ = 36547086338880. Its totient is φ = 11839113052416.

The previous prime is 24020979139457. The next prime is 24020979139489. The reversal of 24020979139478 is 87493197902042.

It is a super-2 number, since 2×24020979139478² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

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, 123909275 + ... + 124102982.

It is an arithmetic number, because the mean of its divisors is an integer number (2284192896180).

Almost surely, 2^{24020979139478} is an apocalyptic number.

24020979139478 is a deficient number, since it is larger than the sum of its proper divisors (12526107199402).

24020979139478 is a wasteful number, since it uses less digits than its factorization.

24020979139478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248012951.

The product of its (nonzero) digits is 54867456, while the sum is 65.

The spelling of 24020979139478 in words is "twenty-four trillion, twenty billion, nine hundred seventy-nine million, one hundred thirty-nine thousand, four hundred seventy-eight".