3770221240 has 64 divisors (see below), whose sum is σ = 9271791360. Its totient is φ = 1373583360.

The previous prime is 3770221237. The next prime is 3770221261. The reversal of 3770221240 is 421220773.

It is a junction number, because it is equal to n+sod(n) for n = 3770221199 and 3770221208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68347 + ... + 110506.

It is an arithmetic number, because the mean of its divisors is an integer number (144871740).

Almost surely, 2^3770221240 is an apocalyptic number.

It is an amenable number.

3770221240 is an abundant number, since it is smaller than the sum of its proper divisors (5501570120).

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

3770221240 is a wasteful number, since it uses less digits than its factorization.

3770221240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178912 (or 178908 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 3770221240 is about 61402.1273247108. The cubic root of 3770221240 is about 1556.4037860531.

The spelling of 3770221240 in words is "three billion, seven hundred seventy million, two hundred twenty-one thousand, two hundred forty".