24470742640 has 40 divisors (see below), whose sum is σ = 56955113568. Its totient is φ = 9777864960.

The previous prime is 24470742629. The next prime is 24470742643. The reversal of 24470742640 is 4624707442.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×24470742640² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 24470742593 and 24470742602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24470742643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87252 + ... + 237811.

Almost surely, 2^24470742640 is an apocalyptic number.

24470742640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24470742640 is an abundant number, since it is smaller than the sum of its proper divisors (32484370928).

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

24470742640 is a wasteful number, since it uses less digits than its factorization.

24470742640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326017 (or 326011 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 40.

The spelling of 24470742640 in words is "twenty-four billion, four hundred seventy million, seven hundred forty-two thousand, six hundred forty".