1344621504402 has 96 divisors (see below), whose sum is σ = 3262283968320. Its totient is φ = 396812880000.

The previous prime is 1344621504389. The next prime is 1344621504407. The reversal of 1344621504402 is 2044051264431.

1344621504402 is a `hidden beast` number, since 1 + 3 + 4 + 4 + 62 + 150 + 440 + 2 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1344621504407) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 668749 + ... + 1771007.

It is an arithmetic number, because the mean of its divisors is an integer number (33982124670).

Almost surely, 2^{1344621504402} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1344621504402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1631141984160).

1344621504402 is an abundant number, since it is smaller than the sum of its proper divisors (1917662463918).

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

1344621504402 is a wasteful number, since it uses less digits than its factorization.

1344621504402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102440 (or 1102437 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

Adding to 1344621504402 its reverse (2044051264431), we get a palindrome (3388672768833).

The spelling of 1344621504402 in words is "one trillion, three hundred forty-four billion, six hundred twenty-one million, five hundred four thousand, four hundred two".