40469040 has 60 divisors (see below), whose sum is σ = 135910944. Its totient is φ = 10791552.

The previous prime is 40468999. The next prime is 40469041. The reversal of 40469040 is 4096404.

It is a tau number, because it is divible by the number of its divisors (60).

It is a junction number, because it is equal to n+sod(n) for n = 40468995 and 40469013.

It is not an unprimeable number, because it can be changed into a prime (40469041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27384 + ... + 28823.

Almost surely, 2^40469040 is an apocalyptic number.

40469040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40469040 is an abundant number, since it is smaller than the sum of its proper divisors (95441904).

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

40469040 is a wasteful number, since it uses less digits than its factorization.

40469040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56226 (or 56217 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 40469040 is about 6361.5281183062. The cubic root of 40469040 is about 343.3267434141.

The spelling of 40469040 in words is "forty million, four hundred sixty-nine thousand, forty".