1406120462220 has 96 divisors (see below), whose sum is σ = 4009988344320. Its totient is φ = 368075957760.

The previous prime is 1406120462209. The next prime is 1406120462231. The reversal of 1406120462220 is 222640216041.

It is an interprime number because it is at equal distance from previous prime (1406120462209) and next prime (1406120462231).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 163441 + ... + 1684919.

It is an arithmetic number, because the mean of its divisors is an integer number (41770711920).

Almost surely, 2^{1406120462220} is an apocalyptic number.

1406120462220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1406120462220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2004994172160).

1406120462220 is an abundant number, since it is smaller than the sum of its proper divisors (2603867882100).

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

1406120462220 is a wasteful number, since it uses less digits than its factorization.

1406120462220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521775 (or 1521773 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 1406120462220 its reverse (222640216041), we get a palindrome (1628760678261).

The spelling of 1406120462220 in words is "one trillion, four hundred six billion, one hundred twenty million, four hundred sixty-two thousand, two hundred twenty".