40254471 has 24 divisors (see below), whose sum is σ = 59471984. Its totient is φ = 26231040.

The previous prime is 40254469. The next prime is 40254479. The reversal of 40254471 is 17445204.

It is not a de Polignac number, because 40254471 - 2¹ = 40254469 is a prime.

It is a super-3 number, since 3×40254471³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

40254471 is a modest number, since divided by 54471 gives 402 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40254479) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 145185 + ... + 145461.

Almost surely, 2^40254471 is an apocalyptic number.

40254471 is a deficient number, since it is larger than the sum of its proper divisors (19217513).

40254471 is a wasteful number, since it uses less digits than its factorization.

40254471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591 (or 588 counting only the distinct ones).

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

The square root of 40254471 is about 6344.6411246027. The cubic root of 40254471 is about 342.7188889752.

Adding to 40254471 its reverse (17445204), we get a palindrome (57699675).

The spelling of 40254471 in words is "forty million, two hundred fifty-four thousand, four hundred seventy-one".