1332400244 has 24 divisors (see below), whose sum is σ = 2756691840. Its totient is φ = 551337696.

The previous prime is 1332400219. The next prime is 1332400253. The reversal of 1332400244 is 4420042331.

It is a super-2 number, since 2×1332400244² = 3550580820422519072, which contains 22 as substring.

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, 819632 + ... + 821255.

It is an arithmetic number, because the mean of its divisors is an integer number (114862160).

Almost surely, 2^1332400244 is an apocalyptic number.

1332400244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1332400244 is an abundant number, since it is smaller than the sum of its proper divisors (1424291596).

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

1332400244 is a wasteful number, since it uses less digits than its factorization.

1332400244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640927 (or 1640925 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 1332400244 is about 36502.0580789632. The cubic root of 1332400244 is about 1100.3856069578.

Adding to 1332400244 its reverse (4420042331), we get a palindrome (5752442575).

The spelling of 1332400244 in words is "one billion, three hundred thirty-two million, four hundred thousand, two hundred forty-four".