40493946 has 16 divisors (see below), whose sum is σ = 81055584. Its totient is φ = 13486704.

The previous prime is 40493933. The next prime is 40493951. The reversal of 40493946 is 64939404.

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, 8380 + ... + 12296.

It is an arithmetic number, because the mean of its divisors is an integer number (5065974).

Almost surely, 2^40493946 is an apocalyptic number.

40493946 is an abundant number, since it is smaller than the sum of its proper divisors (40561638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40493946 is a wasteful number, since it uses less digits than its factorization.

40493946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5645.

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 40493946 is about 6363.4853657410. The cubic root of 40493946 is about 343.3971605552.

The spelling of 40493946 in words is "forty million, four hundred ninety-three thousand, nine hundred forty-six".