19442010 has 32 divisors (see below), whose sum is σ = 53327232. Its totient is φ = 4443840.

The previous prime is 19442009. The next prime is 19442011. The reversal of 19442010 is 1024491.

It is an interprime number because it is at equal distance from previous prime (19442009) and next prime (19442011).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (19442011) 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, 46081 + ... + 46500.

It is an arithmetic number, because the mean of its divisors is an integer number (1666476).

Almost surely, 2^19442010 is an apocalyptic number.

19442010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19442010 is an abundant number, since it is smaller than the sum of its proper divisors (33885222).

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

19442010 is a wasteful number, since it uses less digits than its factorization.

19442010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92598.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 19442010 is about 4409.3094697469. The cubic root of 19442010 is about 268.8935515765.

The spelling of 19442010 in words is "nineteen million, four hundred forty-two thousand, ten".