40152706 has 16 divisors (see below), whose sum is σ = 66445920. Its totient is φ = 18045280.

The previous prime is 40152703. The next prime is 40152731. The reversal of 40152706 is 60725104.

It is a super-2 number, since 2×40152706² = 3224479598244872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40152703) 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 in 7 ways as a sum of consecutive naturals, for example, 8296 + ... + 12211.

It is an arithmetic number, because the mean of its divisors is an integer number (4152870).

Almost surely, 2^40152706 is an apocalyptic number.

40152706 is a deficient number, since it is larger than the sum of its proper divisors (26293214).

40152706 is a wasteful number, since it uses less digits than its factorization.

40152706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20609.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 40152706 is about 6336.6162894719. The cubic root of 40152706 is about 342.4298426638.

The spelling of 40152706 in words is "forty million, one hundred fifty-two thousand, seven hundred six".