5405079853840 has 160 divisors (see below), whose sum is σ = 13157071893504. Its totient is φ = 2062638120960.

The previous prime is 5405079853807. The next prime is 5405079853843. The reversal of 5405079853840 is 483589705045.

It is not an unprimeable number, because it can be changed into a prime (5405079853843) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61780207 + ... + 61867633.

Almost surely, 2^{5405079853840} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5405079853840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6578535946752).

5405079853840 is an abundant number, since it is smaller than the sum of its proper divisors (7751992039664).

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

5405079853840 is a wasteful number, since it uses less digits than its factorization.

5405079853840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87825 (or 87819 counting only the distinct ones).

The product of its (nonzero) digits is 24192000, while the sum is 58.

The spelling of 5405079853840 in words is "five trillion, four hundred five billion, seventy-nine million, eight hundred fifty-three thousand, eight hundred forty".