140461409280 has 176 divisors, whose sum is σ = 475684807680. Its totient is φ = 35252994048.

The previous prime is 140461409279. The next prime is 140461409287. The reversal of 140461409280 is 82904164041.

It is not an unprimeable number, because it can be changed into a prime (140461409287) 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, 7840 + ... + 530079.

Almost surely, 2^140461409280 is an apocalyptic number.

140461409280 is a gapful number since it is divisible by the number (10) 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 140461409280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237842403840).

140461409280 is an abundant number, since it is smaller than the sum of its proper divisors (335223398400).

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

140461409280 is a wasteful number, since it uses less digits than its factorization.

140461409280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537964 (or 537946 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The spelling of 140461409280 in words is "one hundred forty billion, four hundred sixty-one million, four hundred nine thousand, two hundred eighty".