40210854407 has 4 divisors (see below), whose sum is σ = 41145990600. Its totient is φ = 39275718216.

The previous prime is 40210854379. The next prime is 40210854547. The reversal of 40210854407 is 70445801204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40210854407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40210854907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 467568032 + ... + 467568117.

It is an arithmetic number, because the mean of its divisors is an integer number (10286497650).

Almost surely, 2^40210854407 is an apocalyptic number.

40210854407 is a deficient number, since it is larger than the sum of its proper divisors (935136193).

40210854407 is an equidigital number, since it uses as much as digits as its factorization.

40210854407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935136192.

The product of its (nonzero) digits is 35840, while the sum is 35.

The spelling of 40210854407 in words is "forty billion, two hundred ten million, eight hundred fifty-four thousand, four hundred seven".