40255051 has 4 divisors (see below), whose sum is σ = 40937400. Its totient is φ = 39572704.

The previous prime is 40255049. The next prime is 40255067. The reversal of 40255051 is 15055204.

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

It is a cyclic number.

It is not a de Polignac number, because 40255051 - 2¹ = 40255049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40255021) 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, 341086 + ... + 341203.

It is an arithmetic number, because the mean of its divisors is an integer number (10234350).

Almost surely, 2^40255051 is an apocalyptic number.

40255051 is a deficient number, since it is larger than the sum of its proper divisors (682349).

40255051 is an equidigital number, since it uses as much as digits as its factorization.

40255051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682348.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 40255051 is about 6344.6868323031. The cubic root of 40255051 is about 342.7205349704.

The spelling of 40255051 in words is "forty million, two hundred fifty-five thousand, fifty-one".