140420242120310 has 32 divisors (see below), whose sum is σ = 253228418106912. Its totient is φ = 56063309702400.

The previous prime is 140420242120303. The next prime is 140420242120313. The reversal of 140420242120310 is 13021242024041.

It is a super-2 number, since 2×140420242120310² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140420242120310.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140420242120313) 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, 5375522 + ... + 17599338.

It is an arithmetic number, because the mean of its divisors is an integer number (7913388065841).

Almost surely, 2^{140420242120310} is an apocalyptic number.

140420242120310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140420242120310 is a deficient number, since it is larger than the sum of its proper divisors (112808175986602).

140420242120310 is a wasteful number, since it uses less digits than its factorization.

140420242120310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12225968.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 140420242120310 its reverse (13021242024041), we get a palindrome (153441484144351).

The spelling of 140420242120310 in words is "one hundred forty trillion, four hundred twenty billion, two hundred forty-two million, one hundred twenty thousand, three hundred ten".