17042040 has 48 divisors (see below), whose sum is σ = 55387800. Its totient is φ = 4544448.

The previous prime is 17042029. The next prime is 17042063. The reversal of 17042040 is 4024071.

It is a happy number.

It is a super-2 number, since 2×17042040² = 580862254723200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23310 + ... + 24029.

Almost surely, 2^17042040 is an apocalyptic number.

17042040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

17042040 is an abundant number, since it is smaller than the sum of its proper divisors (38345760).

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

17042040 is a wasteful number, since it uses less digits than its factorization.

17042040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47356 (or 47349 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 17042040 is about 4128.2005765224. The cubic root of 17042040 is about 257.3399388594.

The spelling of 17042040 in words is "seventeen million, forty-two thousand, forty".