40070246 has 4 divisors (see below), whose sum is σ = 60105372. Its totient is φ = 20035122.

The previous prime is 40070237. The next prime is 40070249. The reversal of 40070246 is 64207004.

40070246 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×40070246² = 3211249229001032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40070249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10017560 + ... + 10017563.

It is an arithmetic number, because the mean of its divisors is an integer number (15026343).

Almost surely, 2^40070246 is an apocalyptic number.

40070246 is a deficient number, since it is larger than the sum of its proper divisors (20035126).

40070246 is a wasteful number, since it uses less digits than its factorization.

40070246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20035125.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 40070246 is about 6330.1063182225. The cubic root of 40070246 is about 342.1952705407.

The spelling of 40070246 in words is "forty million, seventy thousand, two hundred forty-six".