3754945644 has 12 divisors (see below), whose sum is σ = 8761539864. Its totient is φ = 1251648544.

The previous prime is 3754945637. The next prime is 3754945679. The reversal of 3754945644 is 4465494573.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156456057 + ... + 156456080.

It is an arithmetic number, because the mean of its divisors is an integer number (730128322).

Almost surely, 2^3754945644 is an apocalyptic number.

It is an amenable number.

3754945644 is an abundant number, since it is smaller than the sum of its proper divisors (5006594220).

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

3754945644 is a wasteful number, since it uses less digits than its factorization.

3754945644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312912144 (or 312912142 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 51.

The square root of 3754945644 is about 61277.6112785086. The cubic root of 3754945644 is about 1554.2989425369.

The spelling of 3754945644 in words is "three billion, seven hundred fifty-four million, nine hundred forty-five thousand, six hundred forty-four".