40705025730 has 16 divisors (see below), whose sum is σ = 97692061824. Its totient is φ = 10854673520.

The previous prime is 40705025689. The next prime is 40705025759. The reversal of 40705025730 is 3752050704.

40705025730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40705025691 and 40705025700.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 678417066 + ... + 678417125.

It is an arithmetic number, because the mean of its divisors is an integer number (6105753864).

Almost surely, 2^40705025730 is an apocalyptic number.

40705025730 is an abundant number, since it is smaller than the sum of its proper divisors (56987036094).

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

40705025730 is a wasteful number, since it uses less digits than its factorization.

40705025730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356834201.

The product of its (nonzero) digits is 29400, while the sum is 33.

The spelling of 40705025730 in words is "forty billion, seven hundred five million, twenty-five thousand, seven hundred thirty".