42477655 has 24 divisors (see below), whose sum is σ = 56996352. Its totient is φ = 30360000.

The previous prime is 42477649. The next prime is 42477689. The reversal of 42477655 is 55677424.

It is not a de Polignac number, because 42477655 - 2³ = 42477647 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 23 ways as a sum of consecutive naturals, for example, 36330 + ... + 37480.

It is an arithmetic number, because the mean of its divisors is an integer number (2374848).

Almost surely, 2^42477655 is an apocalyptic number.

42477655 is a deficient number, since it is larger than the sum of its proper divisors (14518697).

42477655 is a wasteful number, since it uses less digits than its factorization.

42477655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239 (or 1228 counting only the distinct ones).

The product of its digits is 235200, while the sum is 40.

The square root of 42477655 is about 6517.4883966141. The cubic root of 42477655 is about 348.9154317635.

The spelling of 42477655 in words is "forty-two million, four hundred seventy-seven thousand, six hundred fifty-five".