140455250490 has 64 divisors (see below), whose sum is σ = 342730599552. Its totient is φ = 36828691200.

The previous prime is 140455250489. The next prime is 140455250531. The reversal of 140455250490 is 94052554041.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6524184 + ... + 6545676.

It is an arithmetic number, because the mean of its divisors is an integer number (5355165618).

Almost surely, 2^140455250490 is an apocalyptic number.

140455250490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 140455250490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171365299776).

140455250490 is an abundant number, since it is smaller than the sum of its proper divisors (202275349062).

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

140455250490 is a wasteful number, since it uses less digits than its factorization.

140455250490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25135.

The product of its (nonzero) digits is 144000, while the sum is 39.

The spelling of 140455250490 in words is "one hundred forty billion, four hundred fifty-five million, two hundred fifty thousand, four hundred ninety".