744501481000 has 64 divisors (see below), whose sum is σ = 1760093833680. Its totient is φ = 294730444800.

The previous prime is 744501480991. The next prime is 744501481043. The reversal of 744501481000 is 184105447.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 98255917764 + 646245563236 = 313458^2 + 803894^2 .

It is a super-2 number, since 2×744501481000² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3740637 + ... + 3934636.

Almost surely, 2^744501481000 is an apocalyptic number.

It is an amenable number.

744501481000 is an abundant number, since it is smaller than the sum of its proper divisors (1015592352680).

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

744501481000 is a wasteful number, since it uses less digits than its factorization.

744501481000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7675391 (or 7675377 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 34.

Adding to 744501481000 its reverse (184105447), we get a palindrome (744685586447).

The spelling of 744501481000 in words is "seven hundred forty-four billion, five hundred one million, four hundred eighty-one thousand".