213214304040 has 64 divisors (see below), whose sum is σ = 639697305600. Its totient is φ = 56852312832.

The previous prime is 213214304027. The next prime is 213214304089. The reversal of 213214304040 is 40403412312.

It is a super-4 number, since 4×213214304040⁴ (a number of 46 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 213214304040.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1473241 + ... + 1611479.

It is an arithmetic number, because the mean of its divisors is an integer number (9995270400).

Almost surely, 2^213214304040 is an apocalyptic number.

213214304040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213214304040 is an abundant number, since it is smaller than the sum of its proper divisors (426483001560).

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

213214304040 is a wasteful number, since it uses less digits than its factorization.

213214304040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151106 (or 151102 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 213214304040 its reverse (40403412312), we get a palindrome (253617716352).

The spelling of 213214304040 in words is "two hundred thirteen billion, two hundred fourteen million, three hundred four thousand, forty".