67140231400 has 96 divisors (see below), whose sum is σ = 170367533280. Its totient is φ = 24403808000.

The previous prime is 67140231373. The next prime is 67140231541. The reversal of 67140231400 is 413204176.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6288867 + ... + 6299533.

It is an arithmetic number, because the mean of its divisors is an integer number (1774661805).

Almost surely, 2^67140231400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67140231400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85183766640).

67140231400 is an abundant number, since it is smaller than the sum of its proper divisors (103227301880).

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

67140231400 is a wasteful number, since it uses less digits than its factorization.

67140231400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13555 (or 13546 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

Adding to 67140231400 its reverse (413204176), we get a palindrome (67553435576).

The spelling of 67140231400 in words is "sixty-seven billion, one hundred forty million, two hundred thirty-one thousand, four hundred".