42919452 has 18 divisors (see below), whose sum is σ = 108490928. Its totient is φ = 14306472.

The previous prime is 42919439. The next prime is 42919477. The reversal of 42919452 is 25491924.

42919452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1192207 = 42919452 / (4 + 2 + 9 + 1 + 9 + 4 + 5 + 2).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 596068 + ... + 596139.

Almost surely, 2^42919452 is an apocalyptic number.

It is an amenable number.

42919452 is an abundant number, since it is smaller than the sum of its proper divisors (65571476).

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

42919452 is a wasteful number, since it uses less digits than its factorization.

42919452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192217 (or 1192212 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 42919452 is about 6551.2939179982. The cubic root of 42919452 is about 350.1209160449.

It can be divided in two parts, 429 and 19452, that added together give a square (19881 = 141²).

The spelling of 42919452 in words is "forty-two million, nine hundred nineteen thousand, four hundred fifty-two".