42619452 has 12 divisors (see below), whose sum is σ = 99445416. Its totient is φ = 14206480.

The previous prime is 42619441. The next prime is 42619453. The reversal of 42619452 is 25491624.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42619453) 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 3 ways as a sum of consecutive naturals, for example, 1775799 + ... + 1775822.

It is an arithmetic number, because the mean of its divisors is an integer number (8287118).

Almost surely, 2^42619452 is an apocalyptic number.

It is an amenable number.

42619452 is an abundant number, since it is smaller than the sum of its proper divisors (56825964).

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

42619452 is a wasteful number, since it uses less digits than its factorization.

42619452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3551628 (or 3551626 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 42619452 is about 6528.3575269741. The cubic root of 42619452 is about 349.3032451635.

It can be divided in two parts, 42619 and 452, that added together give a triangular number (43071 = T₂₉₃).

The spelling of 42619452 in words is "forty-two million, six hundred nineteen thousand, four hundred fifty-two".