3770802644 has 36 divisors (see below), whose sum is σ = 7708225140. Its totient is φ = 1609332480.

The previous prime is 3770802619. The next prime is 3770802649. The reversal of 3770802644 is 4462080773.

It can be written as a sum of positive squares in 2 ways, for example, as 2516226244 + 1254576400 = 50162^2 + 35420^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3770802649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7322 + ... + 87150.

It is an arithmetic number, because the mean of its divisors is an integer number (214117365).

Almost surely, 2^3770802644 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3770802644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3854112570).

3770802644 is an abundant number, since it is smaller than the sum of its proper divisors (3937422496).

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

3770802644 is a wasteful number, since it uses less digits than its factorization.

3770802644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80088 (or 80079 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 41.

The square root of 3770802644 is about 61406.8615384307. The cubic root of 3770802644 is about 1556.4837860336.

The spelling of 3770802644 in words is "three billion, seven hundred seventy million, eight hundred two thousand, six hundred forty-four".