40090346 has 16 divisors (see below), whose sum is σ = 60825984. Its totient is φ = 19816704.

The previous prime is 40090291. The next prime is 40090397. The reversal of 40090346 is 64309004.

It is a Curzon 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, 109055 + ... + 109421.

It is an arithmetic number, because the mean of its divisors is an integer number (3801624).

Almost surely, 2^40090346 is an apocalyptic number.

40090346 is a deficient number, since it is larger than the sum of its proper divisors (20735638).

40090346 is a wasteful number, since it uses less digits than its factorization.

40090346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 40090346 is about 6331.6937702324. The cubic root of 40090346 is about 342.2524782021.

The spelling of 40090346 in words is "forty million, ninety thousand, three hundred forty-six".