40078094 has 16 divisors (see below), whose sum is σ = 68796000. Its totient is φ = 17153664.

The previous prime is 40078091. The next prime is 40078109. The reversal of 40078094 is 49087004.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 40078094.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40078091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13322 + ... + 16050.

It is an arithmetic number, because the mean of its divisors is an integer number (4299750).

Almost surely, 2^40078094 is an apocalyptic number.

40078094 is a deficient number, since it is larger than the sum of its proper divisors (28717906).

40078094 is a wasteful number, since it uses less digits than its factorization.

40078094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3787.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 40078094 is about 6330.7261826745. The cubic root of 40078094 is about 342.2176094201.

The spelling of 40078094 in words is "forty million, seventy-eight thousand, ninety-four".