40748748821 has 8 divisors (see below), whose sum is σ = 44611380288. Its totient is φ = 36912484000.

The previous prime is 40748748811. The next prime is 40748748857. The reversal of 40748748821 is 12884784704.

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

It is a cyclic number.

It is not a de Polignac number, because 40748748821 - 2¹⁸ = 40748486677 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40748748811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6588425 + ... + 6594606.

It is an arithmetic number, because the mean of its divisors is an integer number (5576422536).

Almost surely, 2^40748748821 is an apocalyptic number.

It is an amenable number.

40748748821 is a deficient number, since it is larger than the sum of its proper divisors (3862631467).

40748748821 is a wasteful number, since it uses less digits than its factorization.

40748748821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13183323.

The product of its (nonzero) digits is 3211264, while the sum is 53.

The spelling of 40748748821 in words is "forty billion, seven hundred forty-eight million, seven hundred forty-eight thousand, eight hundred twenty-one".