19142464 has 28 divisors (see below), whose sum is σ = 41440608. Its totient is φ = 8700800.

The previous prime is 19142437. The next prime is 19142467. The reversal of 19142464 is 46424191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19142467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12892 + ... + 14299.

Almost surely, 2^19142464 is an apocalyptic number.

It is an amenable number.

19142464 is an abundant number, since it is smaller than the sum of its proper divisors (22298144).

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

19142464 is a wasteful number, since it uses less digits than its factorization.

19142464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27214 (or 27204 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 19142464 is about 4375.2101663806. The cubic root of 19142464 is about 267.5054367544.

Adding to 19142464 its product of digits (6912), we get a square (19149376 = 4376²).

It can be divided in two parts, 19142 and 464, that multiplied together give a palindrome (8881888).

The spelling of 19142464 in words is "nineteen million, one hundred forty-two thousand, four hundred sixty-four".