40470384 has 40 divisors (see below), whose sum is σ = 106778880. Its totient is φ = 13202368.

The previous prime is 40470379. The next prime is 40470413. The reversal of 40470384 is 48307404.

It is a super-2 number, since 2×40470384² = 3275703962214912, which contains 22 as substring.

It is a congruent number.

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, 6714 + ... + 11225.

It is an arithmetic number, because the mean of its divisors is an integer number (2669472).

Almost surely, 2^40470384 is an apocalyptic number.

It is an amenable number.

40470384 is an abundant number, since it is smaller than the sum of its proper divisors (66308496).

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

40470384 is a wasteful number, since it uses less digits than its factorization.

40470384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17997 (or 17991 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 40470384 is about 6361.6337524256. The cubic root of 40470384 is about 343.3305440646.

Adding to 40470384 its reverse (48307404), we get a palindrome (88777788).

The spelling of 40470384 in words is "forty million, four hundred seventy thousand, three hundred eighty-four".