40103878 has 8 divisors (see below), whose sum is σ = 61435872. Its totient is φ = 19625256.

The previous prime is 40103837. The next prime is 40103891. The reversal of 40103878 is 87830104.

It is a happy number.

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, 213225 + ... + 213412.

It is an arithmetic number, because the mean of its divisors is an integer number (7679484).

Almost surely, 2^40103878 is an apocalyptic number.

40103878 is a deficient number, since it is larger than the sum of its proper divisors (21331994).

40103878 is a wasteful number, since it uses less digits than its factorization.

40103878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426686.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 40103878 is about 6332.7622725001. The cubic root of 40103878 is about 342.2909815660.

The spelling of 40103878 in words is "forty million, one hundred three thousand, eight hundred seventy-eight".