40078414 has 4 divisors (see below), whose sum is σ = 60117624. Its totient is φ = 20039206.

The previous prime is 40078411. The next prime is 40078417. The reversal of 40078414 is 41487004.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (40078411) and next prime (40078417).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40078411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10019602 + ... + 10019605.

It is an arithmetic number, because the mean of its divisors is an integer number (15029406).

Almost surely, 2^40078414 is an apocalyptic number.

40078414 is a deficient number, since it is larger than the sum of its proper divisors (20039210).

40078414 is a wasteful number, since it uses less digits than its factorization.

40078414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20039209.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 40078414 is about 6330.7514561859. The cubic root of 40078414 is about 342.2185202198.

It can be divided in two parts, 4007 and 8414, that added together give a palindrome (12421).

The spelling of 40078414 in words is "forty million, seventy-eight thousand, four hundred fourteen".