40378151 has 8 divisors (see below), whose sum is σ = 45470208. Its totient is φ = 35523000.

The previous prime is 40378139. The next prime is 40378159. The reversal of 40378151 is 15187304.

40378151 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 40378151 - 2¹⁸ = 40116007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40378159) 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 in 7 ways as a sum of consecutive naturals, for example, 58865 + ... + 59546.

It is an arithmetic number, because the mean of its divisors is an integer number (5683776).

Almost surely, 2^40378151 is an apocalyptic number.

40378151 is a deficient number, since it is larger than the sum of its proper divisors (5092057).

40378151 is a wasteful number, since it uses less digits than its factorization.

40378151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118453.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 40378151 is about 6354.3804576056. The cubic root of 40378151 is about 343.0695260920.

The spelling of 40378151 in words is "forty million, three hundred seventy-eight thousand, one hundred fifty-one".