40997128630 has 16 divisors (see below), whose sum is σ = 73885838544. Its totient is φ = 16378627680.

The previous prime is 40997128607. The next prime is 40997128631. The reversal of 40997128630 is 3682179904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40997128631) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2519457 + ... + 2535676.

It is an arithmetic number, because the mean of its divisors is an integer number (4617864909).

Almost surely, 2^40997128630 is an apocalyptic number.

40997128630 is a deficient number, since it is larger than the sum of its proper divisors (32888709914).

40997128630 is a wasteful number, since it uses less digits than its factorization.

40997128630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5055951.

The product of its (nonzero) digits is 653184, while the sum is 49.

The spelling of 40997128630 in words is "forty billion, nine hundred ninety-seven million, one hundred twenty-eight thousand, six hundred thirty".