140140276380 has 288 divisors, whose sum is σ = 489795109440. Its totient is φ = 32144117760.

The previous prime is 140140276379. The next prime is 140140276391. The reversal of 140140276380 is 83672041041.

140140276380 is a `hidden beast` number, since 1 + 4 + 0 + 1 + 4 + 0 + 276 + 380 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2686224 + ... + 2737896.

Almost surely, 2^140140276380 is an apocalyptic number.

140140276380 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 140140276380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244897554720).

140140276380 is an abundant number, since it is smaller than the sum of its proper divisors (349654833060).

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

140140276380 is a wasteful number, since it uses less digits than its factorization.

140140276380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51781 (or 51776 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 140140276380 in words is "one hundred forty billion, one hundred forty million, two hundred seventy-six thousand, three hundred eighty".