40818470 has 48 divisors (see below), whose sum is σ = 93251088. Its totient is φ = 12720960.

The previous prime is 40818469. The next prime is 40818497. The reversal of 40818470 is 7481804.

40818470 = 280² + 281² + ... + 524².

It is a super-2 number, since 2×40818470² = 3332294986281800, 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 23 ways as a sum of consecutive naturals, for example, 1604 + ... + 9176.

It is an arithmetic number, because the mean of its divisors is an integer number (1942731).

Almost surely, 2^40818470 is an apocalyptic number.

40818470 is an abundant number, since it is smaller than the sum of its proper divisors (52432618).

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

40818470 is a wasteful number, since it uses less digits than its factorization.

40818470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7605 (or 7598 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 40818470 is about 6388.9334008111. The cubic root of 40818470 is about 344.3120647110.

The spelling of 40818470 in words is "forty million, eight hundred eighteen thousand, four hundred seventy".