40704255 has 64 divisors (see below), whose sum is σ = 77155200. Its totient is φ = 20321280.

The previous prime is 40704253. The next prime is 40704259. The reversal of 40704255 is 55240704.

40704255 is a `hidden beast` number, since 407 + 0 + 4 + 255 = 666.

It is not a de Polignac number, because 40704255 - 2¹ = 40704253 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40704253) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 144715 + ... + 144995.

It is an arithmetic number, because the mean of its divisors is an integer number (1205550).

Almost surely, 2^40704255 is an apocalyptic number.

40704255 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40704255 is a deficient number, since it is larger than the sum of its proper divisors (36450945).

40704255 is a wasteful number, since it uses less digits than its factorization.

40704255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361 (or 355 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 40704255 is about 6379.9886363535. The cubic root of 40704255 is about 343.9906224909.

Adding to 40704255 its reverse (55240704), we get a palindrome (95944959).

The spelling of 40704255 in words is "forty million, seven hundred four thousand, two hundred fifty-five".