42190803 has 12 divisors (see below), whose sum is σ = 61006608. Its totient is φ = 28097520.

The previous prime is 42190769. The next prime is 42190847. The reversal of 42190803 is 30809124.

It is not a de Polignac number, because 42190803 - 2¹³ = 42182611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42190873) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9658 + ... + 13328.

It is an arithmetic number, because the mean of its divisors is an integer number (5083884).

Almost surely, 2^42190803 is an apocalyptic number.

42190803 is a deficient number, since it is larger than the sum of its proper divisors (18815805).

42190803 is a wasteful number, since it uses less digits than its factorization.

42190803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4954 (or 4951 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 42190803 is about 6495.4447884652. Note that the first 3 decimals coincide. The cubic root of 42190803 is about 348.1282474204.

Adding to 42190803 its reverse (30809124), we get a palindrome (72999927).

The spelling of 42190803 in words is "forty-two million, one hundred ninety thousand, eight hundred three".