140046444155412 has 144 divisors (see below), whose sum is σ = 373729881208320. Its totient is φ = 44129326923264.

The previous prime is 140046444155411. The next prime is 140046444155459. The reversal of 140046444155412 is 214551444640041.

140046444155412 is a `hidden beast` number, since 1 + 4 + 0 + 0 + 4 + 6 + 44 + 41 + 554 + 12 = 666.

It is a super-2 number, since 2×140046444155412² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140046444155411) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 151565998 + ... + 152487194.

It is an arithmetic number, because the mean of its divisors is an integer number (2595346397280).

Almost surely, 2^{140046444155412} is an apocalyptic number.

140046444155412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140046444155412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186864940604160).

140046444155412 is an abundant number, since it is smaller than the sum of its proper divisors (233683437052908).

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

140046444155412 is a wasteful number, since it uses less digits than its factorization.

140046444155412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923382 (or 923377 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 45.

Adding to 140046444155412 its reverse (214551444640041), we get a palindrome (354597888795453).

The spelling of 140046444155412 in words is "one hundred forty trillion, forty-six billion, four hundred forty-four million, one hundred fifty-five thousand, four hundred twelve".