40812248 has 8 divisors (see below), whose sum is σ = 76522980. Its totient is φ = 20406120.

The previous prime is 40812241. The next prime is 40812259. The reversal of 40812248 is 84221804.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 40812248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40812241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2550758 + ... + 2550773.

Almost surely, 2^40812248 is an apocalyptic number.

It is an amenable number.

40812248 is a deficient number, since it is larger than the sum of its proper divisors (35710732).

40812248 is a wasteful number, since it uses less digits than its factorization.

40812248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5101537 (or 5101533 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 29.

The square root of 40812248 is about 6388.4464465158. The cubic root of 40812248 is about 344.2945692118.

The spelling of 40812248 in words is "forty million, eight hundred twelve thousand, two hundred forty-eight".