40089506 has 16 divisors (see below), whose sum is σ = 66052800. Its totient is φ = 18163728.

The previous prime is 40089499. The next prime is 40089521. The reversal of 40089506 is 60598004.

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, 22061 + ... + 23808.

It is an arithmetic number, because the mean of its divisors is an integer number (4128300).

Almost surely, 2^40089506 is an apocalyptic number.

40089506 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

40089506 is a deficient number, since it is larger than the sum of its proper divisors (25963294).

40089506 is a wasteful number, since it uses less digits than its factorization.

40089506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45913.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 40089506 is about 6331.6274369233. The cubic root of 40089506 is about 342.2500878171.

The spelling of 40089506 in words is "forty million, eighty-nine thousand, five hundred six".