1240264964 has 6 divisors (see below), whose sum is σ = 2170463694. Its totient is φ = 620132480.

The previous prime is 1240264889. The next prime is 1240264979. The reversal of 1240264964 is 4694620421.

It can be written as a sum of positive squares in only one way, i.e., 841464064 + 398800900 = 29008^2 + 19970^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155033117 + ... + 155033124.

It is an arithmetic number, because the mean of its divisors is an integer number (361743949).

Almost surely, 2^1240264964 is an apocalyptic number.

It is an amenable number.

1240264964 is a deficient number, since it is larger than the sum of its proper divisors (930198730).

1240264964 is a wasteful number, since it uses less digits than its factorization.

1240264964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310066245 (or 310066243 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 1240264964 is about 35217.3957583465. The cubic root of 1240264964 is about 1074.4135872187.

The spelling of 1240264964 in words is "one billion, two hundred forty million, two hundred sixty-four thousand, nine hundred sixty-four".