40046146 has 16 divisors (see below), whose sum is σ = 68955840. Its totient is φ = 17086320.

The previous prime is 40046131. The next prime is 40046161. The reversal of 40046146 is 64164004.

It is an interprime number because it is at equal distance from previous prime (40046131) and next prime (40046161).

It is a self number, because there is not a number n which added to its sum of digits gives 40046146.

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, 3040 + ... + 9451.

It is an arithmetic number, because the mean of its divisors is an integer number (4309740).

Almost surely, 2^40046146 is an apocalyptic number.

40046146 is a deficient number, since it is larger than the sum of its proper divisors (28909694).

40046146 is a wasteful number, since it uses less digits than its factorization.

40046146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12729.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 40046146 is about 6328.2024303905. The cubic root of 40046146 is about 342.1266530440.

The spelling of 40046146 in words is "forty million, forty-six thousand, one hundred forty-six".