40427655 has 8 divisors (see below), whose sum is σ = 64684272. Its totient is φ = 21561408.

The previous prime is 40427641. The next prime is 40427659. The reversal of 40427655 is 55672404.

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

It is not a de Polignac number, because 40427655 - 2⁵ = 40427623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40427659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1347574 + ... + 1347603.

It is an arithmetic number, because the mean of its divisors is an integer number (8085534).

Almost surely, 2^40427655 is an apocalyptic number.

40427655 is a deficient number, since it is larger than the sum of its proper divisors (24256617).

40427655 is a wasteful number, since it uses less digits than its factorization.

40427655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2695185.

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 40427655 is about 6358.2745300907. The cubic root of 40427655 is about 343.2096710100.

The spelling of 40427655 in words is "forty million, four hundred twenty-seven thousand, six hundred fifty-five".