40045346 has 32 divisors (see below), whose sum is σ = 70761600. Its totient is φ = 16804480.

The previous prime is 40045321. The next prime is 40045381. The reversal of 40045346 is 64354004.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13310 + ... + 16038.

It is an arithmetic number, because the mean of its divisors is an integer number (2211300).

Almost surely, 2^40045346 is an apocalyptic number.

40045346 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

40045346 is a deficient number, since it is larger than the sum of its proper divisors (30716254).

40045346 is a wasteful number, since it uses less digits than its factorization.

40045346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2794.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 40045346 is about 6328.1392209717. The cubic root of 40045346 is about 342.1243748127.

The spelling of 40045346 in words is "forty million, forty-five thousand, three hundred forty-six".