40827427378 has 4 divisors (see below), whose sum is σ = 61241141070. Its totient is φ = 20413713688.

The previous prime is 40827427343. The next prime is 40827427391. The reversal of 40827427378 is 87372472804.

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

It can be written as a sum of positive squares in only one way, i.e., 37238578729 + 3588848649 = 192973^2 + 59907^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10206856843 + ... + 10206856846.

Almost surely, 2^40827427378 is an apocalyptic number.

40827427378 is a deficient number, since it is larger than the sum of its proper divisors (20413713692).

40827427378 is a wasteful number, since it uses less digits than its factorization.

40827427378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20413713691.

The product of its (nonzero) digits is 4214784, while the sum is 52.

The spelling of 40827427378 in words is "forty billion, eight hundred twenty-seven million, four hundred twenty-seven thousand, three hundred seventy-eight".