40254417 has 12 divisors (see below), whose sum is σ = 66451840. Its totient is φ = 23002488.

The previous prime is 40254397. The next prime is 40254421. The reversal of 40254417 is 71445204.

It is not a de Polignac number, because 40254417 - 2⁶ = 40254353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40254427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 319417 + ... + 319542.

Almost surely, 2^40254417 is an apocalyptic number.

It is an amenable number.

40254417 is a deficient number, since it is larger than the sum of its proper divisors (26197423).

40254417 is a wasteful number, since it uses less digits than its factorization.

40254417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638972 (or 638969 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 40254417 is about 6344.6368690414. The cubic root of 40254417 is about 342.7187357266.

The spelling of 40254417 in words is "forty million, two hundred fifty-four thousand, four hundred seventeen".