1240763744 has 48 divisors (see below), whose sum is σ = 2674861056. Its totient is φ = 561859200.

The previous prime is 1240763723. The next prime is 1240763803. The reversal of 1240763744 is 4473670421.

It is a junction number, because it is equal to n+sod(n) for n = 1240763698 and 1240763707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88889 + ... + 101895.

It is an arithmetic number, because the mean of its divisors is an integer number (55726272).

Almost surely, 2^1240763744 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 1240763744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1337430528).

1240763744 is an abundant number, since it is smaller than the sum of its proper divisors (1434097312).

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

1240763744 is a wasteful number, since it uses less digits than its factorization.

1240763744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13299 (or 13291 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 38.

The square root of 1240763744 is about 35224.4764900772. The cubic root of 1240763744 is about 1074.5575952070.

The spelling of 1240763744 in words is "one billion, two hundred forty million, seven hundred sixty-three thousand, seven hundred forty-four".