1240401332 has 6 divisors (see below), whose sum is σ = 2170702338. Its totient is φ = 620200664.

The previous prime is 1240401313. The next prime is 1240401341. The reversal of 1240401332 is 2331040421.

It can be written as a sum of positive squares in only one way, i.e., 919059856 + 321341476 = 30316^2 + 17926^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155050163 + ... + 155050170.

It is an arithmetic number, because the mean of its divisors is an integer number (361783723).

Almost surely, 2^1240401332 is an apocalyptic number.

It is an amenable number.

1240401332 is a deficient number, since it is larger than the sum of its proper divisors (930301006).

1240401332 is a wasteful number, since it uses less digits than its factorization.

1240401332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310100337 (or 310100335 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1240401332 is about 35219.3317937749. The cubic root of 1240401332 is about 1074.4529632840.

Adding to 1240401332 its reverse (2331040421), we get a palindrome (3571441753).

The spelling of 1240401332 in words is "one billion, two hundred forty million, four hundred one thousand, three hundred thirty-two".