6403532251244 has 24 divisors (see below), whose sum is σ = 11226220143600. Its totient is φ = 3196041394176.

The previous prime is 6403532251183. The next prime is 6403532251271. The reversal of 6403532251244 is 4421522353046.

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, 48649232 + ... + 48780680.

It is an arithmetic number, because the mean of its divisors is an integer number (467759172650).

Almost surely, 2^{6403532251244} is an apocalyptic number.

It is an amenable number.

6403532251244 is a deficient number, since it is larger than the sum of its proper divisors (4822687892356).

6403532251244 is a wasteful number, since it uses less digits than its factorization.

6403532251244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153137 (or 153135 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 41.

The spelling of 6403532251244 in words is "six trillion, four hundred three billion, five hundred thirty-two million, two hundred fifty-one thousand, two hundred forty-four".