40615158 has 8 divisors (see below), whose sum is σ = 81230328. Its totient is φ = 13538384.

The previous prime is 40615153. The next prime is 40615181. The reversal of 40615158 is 85151604.

It is a sphenic number, since it is the product of 3 distinct primes.

40615158 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40615153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3384591 + ... + 3384602.

It is an arithmetic number, because the mean of its divisors is an integer number (10153791).

Almost surely, 2^40615158 is an apocalyptic number.

40615158 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40615158 is a wasteful number, since it uses less digits than its factorization.

40615158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6769198.

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 40615158 is about 6373.0022752232. The cubic root of 40615158 is about 343.7394536489.

The spelling of 40615158 in words is "forty million, six hundred fifteen thousand, one hundred fifty-eight".