40015046 has 4 divisors (see below), whose sum is σ = 60022572. Its totient is φ = 20007522.

The previous prime is 40014977. The next prime is 40015049. The reversal of 40015046 is 64051004.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40015049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10003760 + ... + 10003763.

It is an arithmetic number, because the mean of its divisors is an integer number (15005643).

Almost surely, 2^40015046 is an apocalyptic number.

40015046 is a deficient number, since it is larger than the sum of its proper divisors (20007526).

40015046 is a wasteful number, since it uses less digits than its factorization.

40015046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20007525.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 40015046 is about 6325.7446992429. The cubic root of 40015046 is about 342.0380644568.

The spelling of 40015046 in words is "forty million, fifteen thousand, forty-six".