1240271994 has 64 divisors (see below), whose sum is σ = 2765242368. Its totient is φ = 368280000.

The previous prime is 1240271993. The next prime is 1240271999. The reversal of 1240271994 is 4991720421.

1240271994 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (1240271993) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1651119 + ... + 1651869.

It is an arithmetic number, because the mean of its divisors is an integer number (43206912).

Almost surely, 2^1240271994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1240271994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1382621184).

1240271994 is an abundant number, since it is smaller than the sum of its proper divisors (1524970374).

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

1240271994 is a wasteful number, since it uses less digits than its factorization.

1240271994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1483.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 1240271994 is about 35217.4955668344. The cubic root of 1240271994 is about 1074.4156171917.

The spelling of 1240271994 in words is "one billion, two hundred forty million, two hundred seventy-one thousand, nine hundred ninety-four".