16407042 has 32 divisors (see below), whose sum is σ = 34013952. Its totient is φ = 5272704.

The previous prime is 16407031. The next prime is 16407043. The reversal of 16407042 is 24070461.

Added to its reverse (24070461) it gives a triangular number (40477503 = T₈₉₉₇).

It is not an unprimeable number, because it can be changed into a prime (16407043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20188 + ... + 20984.

It is an arithmetic number, because the mean of its divisors is an integer number (1062936).

Almost surely, 2^16407042 is an apocalyptic number.

16407042 is an abundant number, since it is smaller than the sum of its proper divisors (17606910).

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

16407042 is a wasteful number, since it uses less digits than its factorization.

16407042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 16407042 is about 4050.5607019276. The cubic root of 16407042 is about 254.1031779553.

Adding to 16407042 its reverse (24070461), we get a triangular number (40477503 = T₈₉₉₇).

The spelling of 16407042 in words is "sixteen million, four hundred seven thousand, forty-two".