3814220440 has 32 divisors (see below), whose sum is σ = 8662211280. Its totient is φ = 1511427712.

The previous prime is 3814220437. The next prime is 3814220461. The reversal of 3814220440 is 440224183.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3814220399 and 3814220408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 441307 + ... + 449866.

Almost surely, 2^3814220440 is an apocalyptic number.

It is an amenable number.

3814220440 is an abundant number, since it is smaller than the sum of its proper divisors (4847990840).

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

3814220440 is a wasteful number, since it uses less digits than its factorization.

3814220440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891291 (or 891287 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 3814220440 is about 61759.3753206750. The cubic root of 3814220440 is about 1562.4348946953.

The spelling of 3814220440 in words is "three billion, eight hundred fourteen million, two hundred twenty thousand, four hundred forty".