24730642057 has 8 divisors (see below), whose sum is σ = 27849169152. Its totient is φ = 21757162800.

The previous prime is 24730642049. The next prime is 24730642091. The reversal of 24730642057 is 75024603742.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 24730642057 - 2³ = 24730642049 is a prime.

It is a super-2 number, since 2×24730642057² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (24730642357) 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, 36261598 + ... + 36262279.

It is an arithmetic number, because the mean of its divisors is an integer number (3481146144).

Almost surely, 2^24730642057 is an apocalyptic number.

It is an amenable number.

24730642057 is a deficient number, since it is larger than the sum of its proper divisors (3118527095).

24730642057 is a wasteful number, since it uses less digits than its factorization.

24730642057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72523919.

The product of its (nonzero) digits is 282240, while the sum is 40.

The spelling of 24730642057 in words is "twenty-four billion, seven hundred thirty million, six hundred forty-two thousand, fifty-seven".