3780621264 has 60 divisors (see below), whose sum is σ = 11361159744. Its totient is φ = 1080176832.

The previous prime is 3780621259. The next prime is 3780621307. The reversal of 3780621264 is 4621260873.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 801352 + ... + 806055.

Almost surely, 2^3780621264 is an apocalyptic number.

It is an amenable number.

3780621264 is an abundant number, since it is smaller than the sum of its proper divisors (7580538480).

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

3780621264 is a wasteful number, since it uses less digits than its factorization.

3780621264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1607432 (or 1607419 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 3780621264 is about 61486.7568180336. The cubic root of 3780621264 is about 1557.8335674056.

The spelling of 3780621264 in words is "three billion, seven hundred eighty million, six hundred twenty-one thousand, two hundred sixty-four".