40255306 has 48 divisors (see below), whose sum is σ = 77261184. Its totient is φ = 15317568.

The previous prime is 40255301. The next prime is 40255307. The reversal of 40255306 is 60355204.

It is a super-2 number, since 2×40255306² = 3240979322307272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40255301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 152931 + ... + 153193.

It is an arithmetic number, because the mean of its divisors is an integer number (1609608).

Almost surely, 2^40255306 is an apocalyptic number.

40255306 is a deficient number, since it is larger than the sum of its proper divisors (37005878).

40255306 is a wasteful number, since it uses less digits than its factorization.

40255306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343 (or 314 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 40255306 is about 6344.7069278257. The cubic root of 40255306 is about 342.7212586357.

The spelling of 40255306 in words is "forty million, two hundred fifty-five thousand, three hundred six".