40794444778 has 8 divisors (see below), whose sum is σ = 62684146980. Its totient is φ = 19899729120.

The previous prime is 40794444767. The next prime is 40794444781. The reversal of 40794444778 is 87744449704.

It can be written as a sum of positive squares in 2 ways, for example, as 39922837249 + 871607529 = 199807^2 + 29523^2 .

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

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, 248746533 + ... + 248746696.

Almost surely, 2^40794444778 is an apocalyptic number.

40794444778 is a deficient number, since it is larger than the sum of its proper divisors (21889702202).

40794444778 is a wasteful number, since it uses less digits than its factorization.

40794444778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497493272.

The product of its (nonzero) digits is 25288704, while the sum is 58.

The spelling of 40794444778 in words is "forty billion, seven hundred ninety-four million, four hundred forty-four thousand, seven hundred seventy-eight".