227972516140 has 24 divisors (see below), whose sum is σ = 485300400480. Its totient is φ = 89939841408.

The previous prime is 227972516117. The next prime is 227972516147. The reversal of 227972516140 is 41615279722.

It is a super-3 number, since 3×227972516140³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (227972516147) 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, 78071320 + ... + 78074239.

It is an arithmetic number, because the mean of its divisors is an integer number (20220850020).

Almost surely, 2^227972516140 is an apocalyptic number.

227972516140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

227972516140 is an abundant number, since it is smaller than the sum of its proper divisors (257327884340).

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

227972516140 is a wasteful number, since it uses less digits than its factorization.

227972516140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156145641 (or 156145639 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 46.

The spelling of 227972516140 in words is "two hundred twenty-seven billion, nine hundred seventy-two million, five hundred sixteen thousand, one hundred forty".