214162540 has 24 divisors (see below), whose sum is σ = 450171792. Its totient is φ = 85583040.

The previous prime is 214162537. The next prime is 214162541. The reversal of 214162540 is 45261412.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (214162541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19087 + ... + 28153.

It is an arithmetic number, because the mean of its divisors is an integer number (18757158).

Almost surely, 2^214162540 is an apocalyptic number.

214162540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214162540 is an abundant number, since it is smaller than the sum of its proper divisors (236009252).

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

214162540 is a wasteful number, since it uses less digits than its factorization.

214162540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10257 (or 10255 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 214162540 is about 14634.2932866606. The cubic root of 214162540 is about 598.2938008882.

The spelling of 214162540 in words is "two hundred fourteen million, one hundred sixty-two thousand, five hundred forty".