40132403 has 2 divisors, whose sum is σ = 40132404. Its totient is φ = 40132402.

The previous prime is 40132387. The next prime is 40132429. The reversal of 40132403 is 30423104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40132403 - 2⁴ = 40132387 is a prime.

It is a super-2 number, since 2×40132403² = 3221219541108818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40132003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20066201 + 20066202.

It is an arithmetic number, because the mean of its divisors is an integer number (20066202).

Almost surely, 2^40132403 is an apocalyptic number.

40132403 is a deficient number, since it is larger than the sum of its proper divisors (1).

40132403 is an equidigital number, since it uses as much as digits as its factorization.

40132403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 40132403 is about 6335.0140489189. The cubic root of 40132403 is about 342.3721169966.

Adding to 40132403 its reverse (30423104), we get a palindrome (70555507).

The spelling of 40132403 in words is "forty million, one hundred thirty-two thousand, four hundred three".