743996394240 has 864 divisors, whose sum is σ = 2769459227136. Its totient is φ = 168772239360.

The previous prime is 743996394217. The next prime is 743996394269. The reversal of 743996394240 is 42493699347.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1479117829 + ... + 1479118331.

It is an arithmetic number, because the mean of its divisors is an integer number (3205392624).

Almost surely, 2^743996394240 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 743996394240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1384729613568).

743996394240 is an abundant number, since it is smaller than the sum of its proper divisors (2025462832896).

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

743996394240 is a wasteful number, since it uses less digits than its factorization.

743996394240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673 (or 640 counting only the distinct ones).

The product of its (nonzero) digits is 35271936, while the sum is 60.

The spelling of 743996394240 in words is "seven hundred forty-three billion, nine hundred ninety-six million, three hundred ninety-four thousand, two hundred forty".