144640652080 has 40 divisors (see below), whose sum is σ = 336872447712. Its totient is φ = 57755971584.

The previous prime is 144640652077. The next prime is 144640652087. The reversal of 144640652080 is 80256046441.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (144640652087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1520572 + ... + 1612891.

Almost surely, 2^144640652080 is an apocalyptic number.

144640652080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144640652080 is an abundant number, since it is smaller than the sum of its proper divisors (192231795632).

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

144640652080 is a wasteful number, since it uses less digits than its factorization.

144640652080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3134053 (or 3134047 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 40.

The spelling of 144640652080 in words is "one hundred forty-four billion, six hundred forty million, six hundred fifty-two thousand, eighty".