40499436 has 24 divisors (see below), whose sum is σ = 95223744. Its totient is φ = 13396240.

The previous prime is 40499419. The next prime is 40499441. The reversal of 40499436 is 63499404.

It is a junction number, because it is equal to n+sod(n) for n = 40499394 and 40499403.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11310 + ... + 14453.

It is an arithmetic number, because the mean of its divisors is an integer number (3967656).

Almost surely, 2^40499436 is an apocalyptic number.

It is an amenable number.

40499436 is an abundant number, since it is smaller than the sum of its proper divisors (54724308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40499436 is a wasteful number, since it uses less digits than its factorization.

40499436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25901 (or 25899 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 40499436 is about 6363.9167184997. The cubic root of 40499436 is about 343.4126786380.

The spelling of 40499436 in words is "forty million, four hundred ninety-nine thousand, four hundred thirty-six".