40655755 has 16 divisors (see below), whose sum is σ = 59037120. Its totient is φ = 26237952.

The previous prime is 40655753. The next prime is 40655759. The reversal of 40655755 is 55755604.

It is a cyclic number.

It is not a de Polignac number, because 40655755 - 2¹ = 40655753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40655753) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33570 + ... + 34759.

It is an arithmetic number, because the mean of its divisors is an integer number (3689820).

Almost surely, 2^40655755 is an apocalyptic number.

40655755 is a deficient number, since it is larger than the sum of its proper divisors (18381365).

40655755 is a wasteful number, since it uses less digits than its factorization.

40655755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68358.

The product of its (nonzero) digits is 105000, while the sum is 37.

The square root of 40655755 is about 6376.1865562419. The cubic root of 40655755 is about 343.8539441031.

The spelling of 40655755 in words is "forty million, six hundred fifty-five thousand, seven hundred fifty-five".