40240078 has 8 divisors (see below), whose sum is σ = 60393960. Its totient is φ = 20108760.

The previous prime is 40240033. The next prime is 40240093. The reversal of 40240078 is 87004204.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88 + ... + 8971.

It is an arithmetic number, because the mean of its divisors is an integer number (7549245).

Almost surely, 2^40240078 is an apocalyptic number.

40240078 is a deficient number, since it is larger than the sum of its proper divisors (20153882).

40240078 is a wasteful number, since it uses less digits than its factorization.

40240078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11282.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 40240078 is about 6343.5067588834. The cubic root of 40240078 is about 342.6780376870.

The spelling of 40240078 in words is "forty million, two hundred forty thousand, seventy-eight".