40254403 has 8 divisors (see below), whose sum is σ = 46048608. Its totient is φ = 34471104.

The previous prime is 40254397. The next prime is 40254421. The reversal of 40254403 is 30445204.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40254403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40254443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8025 + ... + 12037.

It is an arithmetic number, because the mean of its divisors is an integer number (5756076).

Almost surely, 2^40254403 is an apocalyptic number.

40254403 is the 4013-rd heptagonal number.

40254403 is a deficient number, since it is larger than the sum of its proper divisors (5794205).

40254403 is a wasteful number, since it uses less digits than its factorization.

40254403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5453.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 40254403 is about 6344.6357657473. The cubic root of 40254403 is about 342.7186959954.

Adding to 40254403 its reverse (30445204), we get a palindrome (70699607).

The spelling of 40254403 in words is "forty million, two hundred fifty-four thousand, four hundred three".