214162642840 has 64 divisors (see below), whose sum is σ = 510321656160. Its totient is φ = 80608450560.

The previous prime is 214162642751. The next prime is 214162642849. The reversal of 214162642840 is 48246261412.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 214162642793 and 214162642802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214162642849) 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, 3349975 + ... + 3413305.

Almost surely, 2^214162642840 is an apocalyptic number.

214162642840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214162642840 is an abundant number, since it is smaller than the sum of its proper divisors (296159013320).

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

214162642840 is a wasteful number, since it uses less digits than its factorization.

214162642840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68332 (or 68328 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 40.

The spelling of 214162642840 in words is "two hundred fourteen billion, one hundred sixty-two million, six hundred forty-two thousand, eight hundred forty".