140680438470 has 384 divisors, whose sum is σ = 469251118080. Its totient is φ = 29627320320.

The previous prime is 140680438447. The next prime is 140680438499. The reversal of 140680438470 is 74834086041.

140680438470 is a `hidden beast` number, since 140 + 6 + 8 + 0 + 4 + 38 + 470 = 666.

It is a super-2 number, since 2×140680438470² (a number of 23 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 8524567 + ... + 8541053.

It is an arithmetic number, because the mean of its divisors is an integer number (1222008120).

Almost surely, 2^140680438470 is an apocalyptic number.

140680438470 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 140680438470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234625559040).

140680438470 is an abundant number, since it is smaller than the sum of its proper divisors (328570679610).

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

140680438470 is a wasteful number, since it uses less digits than its factorization.

140680438470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16557 (or 16538 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The spelling of 140680438470 in words is "one hundred forty billion, six hundred eighty million, four hundred thirty-eight thousand, four hundred seventy".