140428764560 has 40 divisors (see below), whose sum is σ = 373139290176. Its totient is φ = 48147004800.

The previous prime is 140428764551. The next prime is 140428764563. The reversal of 140428764560 is 65467824041.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (140428764563) 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, 125382266 + ... + 125383385.

Almost surely, 2^140428764560 is an apocalyptic number.

140428764560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140428764560 is an abundant number, since it is smaller than the sum of its proper divisors (232710525616).

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

140428764560 is a wasteful number, since it uses less digits than its factorization.

140428764560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250765671 (or 250765665 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 47.

The spelling of 140428764560 in words is "one hundred forty billion, four hundred twenty-eight million, seven hundred sixty-four thousand, five hundred sixty".