40705906 has 16 divisors (see below), whose sum is σ = 64152000. Its totient is φ = 19334128.

The previous prime is 40705859. The next prime is 40705919. The reversal of 40705906 is 60950704.

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, 3885 + ... + 9823.

It is an arithmetic number, because the mean of its divisors is an integer number (4009500).

Almost surely, 2^40705906 is an apocalyptic number.

40705906 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

40705906 is a deficient number, since it is larger than the sum of its proper divisors (23446094).

40705906 is a wasteful number, since it uses less digits than its factorization.

40705906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6113.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 40705906 is about 6380.1180239867. The cubic root of 40705906 is about 343.9952732810.

The spelling of 40705906 in words is "forty million, seven hundred five thousand, nine hundred six".