42285921551 has 8 divisors (see below), whose sum is σ = 42501690000. Its totient is φ = 42070694400.

The previous prime is 42285921547. The next prime is 42285921563. The reversal of 42285921551 is 15512958224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42285921551 - 2² = 42285921547 is a prime.

It is a super-4 number, since 4×42285921551⁴ (a number of 44 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42285929551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21776 + ... + 291626.

It is an arithmetic number, because the mean of its divisors is an integer number (5312711250).

Almost surely, 2^42285921551 is an apocalyptic number.

42285921551 is a deficient number, since it is larger than the sum of its proper divisors (215768449).

42285921551 is a wasteful number, since it uses less digits than its factorization.

42285921551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270649.

The product of its digits is 288000, while the sum is 44.

The spelling of 42285921551 in words is "forty-two billion, two hundred eighty-five million, nine hundred twenty-one thousand, five hundred fifty-one".