7645014861444 has 63 divisors (see below), whose sum is σ = 20059379657863. Its totient is φ = 2548288517832.

The previous prime is 7645014861433. The next prime is 7645014861529. The reversal of 7645014861444 is 4441684105467.

The square root of 7645014861444 is 2764962.

It is a perfect power (a square), and thus also a powerful number.

7645014861444 is a `hidden beast` number, since 7 + 6 + 4 + 5 + 0 + 14 + 8 + 614 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 149282347 + ... + 149333549.

Almost surely, 2^{7645014861444} is an apocalyptic number.

7645014861444 is the 2764962-nd square number.

It is an amenable number.

7645014861444 is an abundant number, since it is smaller than the sum of its proper divisors (12414364796419).

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

7645014861444 is an frugal number, since it uses more digits than its factorization.

7645014861444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102428 (or 51208 counting only the distinct ones).

The product of its (nonzero) digits is 10321920, while the sum is 54.

The spelling of 7645014861444 in words is "seven trillion, six hundred forty-five billion, fourteen million, eight hundred sixty-one thousand, four hundred forty-four".