787393444940 has 96 divisors (see below), whose sum is σ = 1779152256000. Its totient is φ = 291775011840.

The previous prime is 787393444933. The next prime is 787393444963. The reversal of 787393444940 is 49444393787.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20895236 + ... + 20932884.

It is an arithmetic number, because the mean of its divisors is an integer number (18532836000).

Almost surely, 2^787393444940 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 787393444940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (889576128000).

787393444940 is an abundant number, since it is smaller than the sum of its proper divisors (991758811060).

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

787393444940 is a wasteful number, since it uses less digits than its factorization.

787393444940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38895 (or 38893 counting only the distinct ones).

The product of its (nonzero) digits is 73156608, while the sum is 62.

The spelling of 787393444940 in words is "seven hundred eighty-seven billion, three hundred ninety-three million, four hundred forty-four thousand, nine hundred forty".