40226453865 has 96 divisors (see below), whose sum is σ = 78490024704. Its totient is φ = 18909918720.

The previous prime is 40226453851. The next prime is 40226453879. The reversal of 40226453865 is 56835462204.

40226453865 is a `hidden beast` number, since 4 + 0 + 2 + 264 + 5 + 386 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (40226453851) and next prime (40226453879).

It is not a de Polignac number, because 40226453865 - 2¹¹ = 40226451817 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 40226453865.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8891494 + ... + 8896016.

It is an arithmetic number, because the mean of its divisors is an integer number (817604424).

Almost surely, 2^40226453865 is an apocalyptic number.

40226453865 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40226453865 is a deficient number, since it is larger than the sum of its proper divisors (38263570839).

40226453865 is a wasteful number, since it uses less digits than its factorization.

40226453865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5231 (or 5228 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 45.

The spelling of 40226453865 in words is "forty billion, two hundred twenty-six million, four hundred fifty-three thousand, eight hundred sixty-five".