140284288326 has 32 divisors (see below), whose sum is σ = 345315172608. Its totient is φ = 36998053920.

The previous prime is 140284288307. The next prime is 140284288357. The reversal of 140284288326 is 623882482041.

It is a super-2 number, since 2×140284288326² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 128464920 + ... + 128466011.

It is an arithmetic number, because the mean of its divisors is an integer number (10791099144).

Almost surely, 2^140284288326 is an apocalyptic number.

140284288326 is an abundant number, since it is smaller than the sum of its proper divisors (205030884282).

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

140284288326 is a wasteful number, since it uses less digits than its factorization.

140284288326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256930956.

The product of its (nonzero) digits is 1179648, while the sum is 48.

The spelling of 140284288326 in words is "one hundred forty billion, two hundred eighty-four million, two hundred eighty-eight thousand, three hundred twenty-six".