17008453940 has 24 divisors (see below), whose sum is σ = 36588919752. Its totient is φ = 6637445120.

The previous prime is 17008453937. The next prime is 17008453949. The reversal of 17008453940 is 4935480071.

It can be written as a sum of positive squares in 4 ways, for example, as 2729104 + 17005724836 = 1652^2 + 130406^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17008453949) 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, 10370189 + ... + 10371828.

It is an arithmetic number, because the mean of its divisors is an integer number (1524538323).

Almost surely, 2^17008453940 is an apocalyptic number.

17008453940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

17008453940 is an abundant number, since it is smaller than the sum of its proper divisors (19580465812).

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

17008453940 is a wasteful number, since it uses less digits than its factorization.

17008453940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20742067 (or 20742065 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 17008453940 in words is "seventeen billion, eight million, four hundred fifty-three thousand, nine hundred forty".