40256265 has 16 divisors (see below), whose sum is σ = 73611648. Its totient is φ = 18402816.

The previous prime is 40256257. The next prime is 40256287. The reversal of 40256265 is 56265204.

It is not a de Polignac number, because 40256265 - 2³ = 40256257 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191592 + ... + 191801.

It is an arithmetic number, because the mean of its divisors is an integer number (4600728).

Almost surely, 2^40256265 is an apocalyptic number.

It is an amenable number.

40256265 is a deficient number, since it is larger than the sum of its proper divisors (33355383).

40256265 is a wasteful number, since it uses less digits than its factorization.

40256265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383408.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 40256265 is about 6344.7825021824. The cubic root of 40256265 is about 342.7239801575.

The spelling of 40256265 in words is "forty million, two hundred fifty-six thousand, two hundred sixty-five".