140448851460 has 36 divisors (see below), whose sum is σ = 426028183308. Its totient is φ = 37453027008.

The previous prime is 140448851453. The next prime is 140448851467. The reversal of 140448851460 is 64158844041.

140448851460 is a `hidden beast` number, since 14 + 0 + 44 + 88 + 514 + 6 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (140448851453) and next prime (140448851467).

It can be written as a sum of positive squares in 2 ways, for example, as 31473598464 + 108975252996 = 177408^2 + 330114^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (140448851467) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 390135519 + ... + 390135878.

It is an arithmetic number, because the mean of its divisors is an integer number (11834116203).

Almost surely, 2^140448851460 is an apocalyptic number.

140448851460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140448851460 is an abundant number, since it is smaller than the sum of its proper divisors (285579331848).

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

140448851460 is a wasteful number, since it uses less digits than its factorization.

140448851460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780271412 (or 780271407 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 45.

The spelling of 140448851460 in words is "one hundred forty billion, four hundred forty-eight million, eight hundred fifty-one thousand, four hundred sixty".