5435680140738 has 128 divisors (see below), whose sum is σ = 12493090368000. Its totient is φ = 1750556261376.

The previous prime is 5435680140647. The next prime is 5435680140763. The reversal of 5435680140738 is 8370410865345.

5435680140738 is a `hidden beast` number, since 5 + 4 + 3 + 568 + 0 + 1 + 4 + 0 + 73 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 164456838 + ... + 164489886.

It is an arithmetic number, because the mean of its divisors is an integer number (97602268500).

Almost surely, 2^{5435680140738} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5435680140738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6246545184000).

5435680140738 is an abundant number, since it is smaller than the sum of its proper divisors (7057410227262).

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

5435680140738 is a wasteful number, since it uses less digits than its factorization.

5435680140738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33673 (or 33667 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 54.

The spelling of 5435680140738 in words is "five trillion, four hundred thirty-five billion, six hundred eighty million, one hundred forty thousand, seven hundred thirty-eight".