42401777 has 8 divisors (see below), whose sum is σ = 46320960. Its totient is φ = 38493360.

The previous prime is 42401773. The next prime is 42401803. The reversal of 42401777 is 77710424.

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 42401777 - 2² = 42401773 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42401773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7124 + ... + 11642.

It is an arithmetic number, because the mean of its divisors is an integer number (5790120).

Almost surely, 2^42401777 is an apocalyptic number.

It is an amenable number.

42401777 is a deficient number, since it is larger than the sum of its proper divisors (3919183).

42401777 is a wasteful number, since it uses less digits than its factorization.

42401777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5383.

The product of its (nonzero) digits is 10976, while the sum is 32.

The square root of 42401777 is about 6511.6646873131. The cubic root of 42401777 is about 348.7075516053.

The spelling of 42401777 in words is "forty-two million, four hundred one thousand, seven hundred seventy-seven".