17045321940 has 48 divisors (see below), whose sum is σ = 53029892160. Its totient is φ = 4545419040.

The previous prime is 17045321939. The next prime is 17045321963. The reversal of 17045321940 is 4912354071.

17045321940 is a `hidden beast` number, since 1 + 70 + 4 + 532 + 19 + 40 = 666.

It is a hoax number, since the sum of its digits (36) 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 (36).

It is a junction number, because it is equal to n+sod(n) for n = 17045321895 and 17045321904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15782166 + ... + 15783245.

It is an arithmetic number, because the mean of its divisors is an integer number (1104789420).

Almost surely, 2^17045321940 is an apocalyptic number.

17045321940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

17045321940 is an abundant number, since it is smaller than the sum of its proper divisors (35984570220).

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

17045321940 is a wasteful number, since it uses less digits than its factorization.

17045321940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31565429 (or 31565421 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 17045321940 in words is "seventeen billion, forty-five million, three hundred twenty-one thousand, nine hundred forty".