40725947816 has 16 divisors (see below), whose sum is σ = 77985858240. Its totient is φ = 19929718960.

The previous prime is 40725947807. The next prime is 40725947831. The reversal of 40725947816 is 61874952704.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54156470 + ... + 54157221.

It is an arithmetic number, because the mean of its divisors is an integer number (4874116140).

Almost surely, 2^40725947816 is an apocalyptic number.

It is an amenable number.

40725947816 is a deficient number, since it is larger than the sum of its proper divisors (37259910424).

40725947816 is a wasteful number, since it uses less digits than its factorization.

40725947816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108313744 (or 108313740 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 53.

The spelling of 40725947816 in words is "forty billion, seven hundred twenty-five million, nine hundred forty-seven thousand, eight hundred sixteen".