140664631632 has 240 divisors, whose sum is σ = 450861500160. Its totient is φ = 37548220416.

The previous prime is 140664631621. The next prime is 140664631663. The reversal of 140664631632 is 236136466041.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5464969 + ... + 5490647.

It is an arithmetic number, because the mean of its divisors is an integer number (1878589584).

Almost surely, 2^140664631632 is an apocalyptic number.

140664631632 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 140664631632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225430750080).

140664631632 is an abundant number, since it is smaller than the sum of its proper divisors (310196868528).

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

140664631632 is a wasteful number, since it uses less digits than its factorization.

140664631632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25858 (or 25845 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 42.

The spelling of 140664631632 in words is "one hundred forty billion, six hundred sixty-four million, six hundred thirty-one thousand, six hundred thirty-two".