40791506 has 16 divisors (see below), whose sum is σ = 70572480. Its totient is φ = 17321040.

The previous prime is 40791473. The next prime is 40791521. The reversal of 40791506 is 60519704.

It is a happy 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, 11840 + ... + 14891.

It is an arithmetic number, because the mean of its divisors is an integer number (4410780).

Almost surely, 2^40791506 is an apocalyptic number.

40791506 is a deficient number, since it is larger than the sum of its proper divisors (29780974).

40791506 is a wasteful number, since it uses less digits than its factorization.

40791506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26849.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 40791506 is about 6386.8228408184. The cubic root of 40791506 is about 344.2362324096.

The spelling of 40791506 in words is "forty million, seven hundred ninety-one thousand, five hundred six".