40046642 has 16 divisors (see below), whose sum is σ = 63516960. Its totient is φ = 18883872.

The previous prime is 40046603. The next prime is 40046681. The reversal of 40046642 is 24664004.

It is an interprime number because it is at equal distance from previous prime (40046603) and next prime (40046681).

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, 6593 + ... + 11115.

It is an arithmetic number, because the mean of its divisors is an integer number (3969810).

Almost surely, 2^40046642 is an apocalyptic number.

40046642 is a deficient number, since it is larger than the sum of its proper divisors (23470318).

40046642 is a wasteful number, since it uses less digits than its factorization.

40046642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4777.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 40046642 is about 6328.2416199131. The cubic root of 40046642 is about 342.1280655321.

The spelling of 40046642 in words is "forty million, forty-six thousand, six hundred forty-two".