73791242440 has 64 divisors (see below), whose sum is σ = 178022188800. Its totient is φ = 27428563968.

The previous prime is 73791242417. The next prime is 73791242489. The reversal of 73791242440 is 4424219737.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 633094 + ... + 740533.

It is an arithmetic number, because the mean of its divisors is an integer number (2781596700).

Almost surely, 2^73791242440 is an apocalyptic number.

It is an amenable number.

73791242440 is an abundant number, since it is smaller than the sum of its proper divisors (104230946360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73791242440 is a wasteful number, since it uses less digits than its factorization.

73791242440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373734 (or 1373730 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 43.

The spelling of 73791242440 in words is "seventy-three billion, seven hundred ninety-one million, two hundred forty-two thousand, four hundred forty".