42021029472 has 24 divisors (see below), whose sum is σ = 110305202616. Its totient is φ = 14007009792.

The previous prime is 42021029467. The next prime is 42021029483. The reversal of 42021029472 is 27492012024.

It is a tau number, because it is divible by the number of its divisors (24).

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 3 ways as a sum of consecutive naturals, for example, 218859433 + ... + 218859624.

It is an arithmetic number, because the mean of its divisors is an integer number (4596050109).

Almost surely, 2^42021029472 is an apocalyptic number.

It is an amenable number.

42021029472 is an abundant number, since it is smaller than the sum of its proper divisors (68284173144).

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

42021029472 is a wasteful number, since it uses less digits than its factorization.

42021029472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437719070 (or 437719062 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The spelling of 42021029472 in words is "forty-two billion, twenty-one million, twenty-nine thousand, four hundred seventy-two".