3214120440 has 64 divisors (see below), whose sum is σ = 9902979360. Its totient is φ = 833932800.

The previous prime is 3214120423. The next prime is 3214120447. The reversal of 3214120440 is 440214123.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3214120447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 357511 + ... + 366390.

Almost surely, 2^3214120440 is an apocalyptic number.

3214120440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3214120440 is an abundant number, since it is smaller than the sum of its proper divisors (6688858920).

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

3214120440 is a wasteful number, since it uses less digits than its factorization.

3214120440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723952 (or 723948 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 3214120440 is about 56693.2133504532. The cubic root of 3214120440 is about 1475.7769251816.

Adding to 3214120440 its reverse (440214123), we get a palindrome (3654334563).

The spelling of 3214120440 in words is "three billion, two hundred fourteen million, one hundred twenty thousand, four hundred forty".