40132499 has 4 divisors (see below), whose sum is σ = 43780920. Its totient is φ = 36484080.

The previous prime is 40132439. The next prime is 40132511. The reversal of 40132499 is 99423104.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40132499 is a prime.

It is a super-2 number, since 2×40132499² = 3221234951970002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40132429) 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, 1824194 + ... + 1824215.

It is an arithmetic number, because the mean of its divisors is an integer number (10945230).

Almost surely, 2^40132499 is an apocalyptic number.

40132499 is a deficient number, since it is larger than the sum of its proper divisors (3648421).

40132499 is a wasteful number, since it uses less digits than its factorization.

40132499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3648420.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 40132499 is about 6335.0216258510. The cubic root of 40132499 is about 342.3723899904.

Subtracting 40132499 from its reverse (99423104), we obtain a triangular number (59290605 = T₁₀₈₈₉).

The spelling of 40132499 in words is "forty million, one hundred thirty-two thousand, four hundred ninety-nine".