40265855 has 16 divisors (see below), whose sum is σ = 55715904. Its totient is φ = 27363840.

The previous prime is 40265837. The next prime is 40265903. The reversal of 40265855 is 55856204.

It is not a de Polignac number, because 40265855 - 2¹² = 40261759 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

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, 1136 + ... + 9045.

It is an arithmetic number, because the mean of its divisors is an integer number (3482244).

Almost surely, 2^40265855 is an apocalyptic number.

40265855 is a deficient number, since it is larger than the sum of its proper divisors (15450049).

40265855 is a wasteful number, since it uses less digits than its factorization.

40265855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10306.

The product of its (nonzero) digits is 48000, while the sum is 35.

The square root of 40265855 is about 6345.5381962447. The cubic root of 40265855 is about 342.7511929985.

The spelling of 40265855 in words is "forty million, two hundred sixty-five thousand, eight hundred fifty-five".