40299246 has 24 divisors (see below), whose sum is σ = 94032120. Its totient is φ = 12399696.

The previous prime is 40299221. The next prime is 40299251. The reversal of 40299246 is 64299204.

40299246 is a `hidden beast` number, since 402 + 9 + 9 + 246 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 40299246.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85876 + ... + 86343.

It is an arithmetic number, because the mean of its divisors is an integer number (3918005).

Almost surely, 2^40299246 is an apocalyptic number.

40299246 is an abundant number, since it is smaller than the sum of its proper divisors (53732874).

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

40299246 is a wasteful number, since it uses less digits than its factorization.

40299246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172240 (or 172237 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 40299246 is about 6348.1687123138. The cubic root of 40299246 is about 342.8459104951.

The spelling of 40299246 in words is "forty million, two hundred ninety-nine thousand, two hundred forty-six".