40921885316 has 12 divisors (see below), whose sum is σ = 77122014732. Its totient is φ = 18887023968.

The previous prime is 40921885273. The next prime is 40921885321. The reversal of 40921885316 is 61358812904.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3487374916 + 37434510400 = 59054^2 + 193480^2 .

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, 393479615 + ... + 393479718.

It is an arithmetic number, because the mean of its divisors is an integer number (6426834561).

Almost surely, 2^40921885316 is an apocalyptic number.

It is an amenable number.

40921885316 is a deficient number, since it is larger than the sum of its proper divisors (36200129416).

40921885316 is a wasteful number, since it uses less digits than its factorization.

40921885316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786959350 (or 786959348 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 47.

The spelling of 40921885316 in words is "forty billion, nine hundred twenty-one million, eight hundred eighty-five thousand, three hundred sixteen".