40078010 has 32 divisors (see below), whose sum is σ = 87298560. Its totient is φ = 12932352.

The previous prime is 40078007. The next prime is 40078019. The reversal of 40078010 is 1087004.

40078010 = T₂₈₄ + T₂₈₅ + ... + T₆₄₀.

It is a happy number.

40078010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (40078019) 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 15 ways as a sum of consecutive naturals, for example, 15650 + ... + 18029.

It is an arithmetic number, because the mean of its divisors is an integer number (2728080).

Almost surely, 2^40078010 is an apocalyptic number.

40078010 is an abundant number, since it is smaller than the sum of its proper divisors (47220550).

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

40078010 is a wasteful number, since it uses less digits than its factorization.

40078010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33710.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 40078010 is about 6330.7195483610. The cubic root of 40078010 is about 342.2173703344.

The spelling of 40078010 in words is "forty million, seventy-eight thousand, ten".