42351420655 has 8 divisors (see below), whose sum is σ = 51009240384. Its totient is φ = 33756112800.

The previous prime is 42351420647. The next prime is 42351420703. The reversal of 42351420655 is 55602415324.

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

It is not a de Polignac number, because 42351420655 - 2³ = 42351420647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15626476 + ... + 15629185.

It is an arithmetic number, because the mean of its divisors is an integer number (6376155048).

Almost surely, 2^42351420655 is an apocalyptic number.

42351420655 is a deficient number, since it is larger than the sum of its proper divisors (8657819729).

42351420655 is a wasteful number, since it uses less digits than its factorization.

42351420655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31255937.

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 42351420655 its reverse (55602415324), we get a palindrome (97953835979).

The spelling of 42351420655 in words is "forty-two billion, three hundred fifty-one million, four hundred twenty thousand, six hundred fifty-five".