42450807 has 24 divisors (see below), whose sum is σ = 69312000. Its totient is φ = 22979376.

The previous prime is 42450797. The next prime is 42450817. The reversal of 42450807 is 70805424.

It is an interprime number because it is at equal distance from previous prime (42450797) and next prime (42450817).

It is not a de Polignac number, because 42450807 - 2⁴ = 42450791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42450817) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4807 + ... + 10392.

It is an arithmetic number, because the mean of its divisors is an integer number (2888000).

Almost surely, 2^42450807 is an apocalyptic number.

42450807 is a deficient number, since it is larger than the sum of its proper divisors (26861193).

42450807 is a wasteful number, since it uses less digits than its factorization.

42450807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15235 (or 15228 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 42450807 is about 6515.4283819255. The cubic root of 42450807 is about 348.8419056094.

The spelling of 42450807 in words is "forty-two million, four hundred fifty thousand, eight hundred seven".