17745408942 has 16 divisors (see below), whose sum is σ = 35515362432. Its totient is φ = 5911045560.

The previous prime is 17745408931. The next prime is 17745408949. The reversal of 17745408942 is 24980454771.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17745408949) 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, 1013284 + ... + 1030647.

It is an arithmetic number, because the mean of its divisors is an integer number (2219710152).

Almost surely, 2^17745408942 is an apocalyptic number.

17745408942 is an abundant number, since it is smaller than the sum of its proper divisors (17769953490).

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

17745408942 is a wasteful number, since it uses less digits than its factorization.

17745408942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045383.

The product of its (nonzero) digits is 2257920, while the sum is 51.

The spelling of 17745408942 in words is "seventeen billion, seven hundred forty-five million, four hundred eight thousand, nine hundred forty-two".