40206248 has 8 divisors (see below), whose sum is σ = 75386730. Its totient is φ = 20103120.

The previous prime is 40206203. The next prime is 40206251. The reversal of 40206248 is 84260204.

It can be written as a sum of positive squares in only one way, i.e., 37185604 + 3020644 = 6098^2 + 1738^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2512883 + ... + 2512898.

Almost surely, 2^40206248 is an apocalyptic number.

It is an amenable number.

40206248 is a deficient number, since it is larger than the sum of its proper divisors (35180482).

40206248 is a wasteful number, since it uses less digits than its factorization.

40206248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5025787 (or 5025783 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 40206248 is about 6340.8396920282. The cubic root of 40206248 is about 342.5819804822.

The spelling of 40206248 in words is "forty million, two hundred six thousand, two hundred forty-eight".