40061696 has 18 divisors (see below), whose sum is σ = 79967412. Its totient is φ = 20030720.

The previous prime is 40061683. The next prime is 40061701. The reversal of 40061696 is 69616004.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77990 + ... + 78501.

It is an arithmetic number, because the mean of its divisors is an integer number (4442634).

Almost surely, 2^40061696 is an apocalyptic number.

It is an amenable number.

40061696 is a deficient number, since it is larger than the sum of its proper divisors (39905716).

40061696 is an equidigital number, since it uses as much as digits as its factorization.

40061696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156507 (or 156493 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 40061696 is about 6329.4309380860. The cubic root of 40061696 is about 342.1709301388.

The spelling of 40061696 in words is "forty million, sixty-one thousand, six hundred ninety-six".