4040655 has 8 divisors (see below), whose sum is σ = 6465072. Its totient is φ = 2155008.

The previous prime is 4040653. The next prime is 4040669. The reversal of 4040655 is 5560404.

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

It is not a de Polignac number, because 4040655 - 2¹ = 4040653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4040653) 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, 134674 + ... + 134703.

It is an arithmetic number, because the mean of its divisors is an integer number (808134).

Almost surely, 2^4040655 is an apocalyptic number.

4040655 is a deficient number, since it is larger than the sum of its proper divisors (2424417).

4040655 is a wasteful number, since it uses less digits than its factorization.

4040655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269385.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 4040655 is about 2010.1380549604. The cubic root of 4040655 is about 159.2760916481.

The spelling of 4040655 in words is "four million, forty thousand, six hundred fifty-five".