40505353542 has 48 divisors (see below), whose sum is σ = 88620564240. Its totient is φ = 13369747776.

The previous prime is 40505353487. The next prime is 40505353543. The reversal of 40505353542 is 24535350504.

40505353542 is a `hidden beast` number, since 4 + 0 + 50 + 535 + 35 + 42 = 666.

40505353542 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 = 40505353497 and 40505353506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40505353543) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8142568 + ... + 8147540.

It is an arithmetic number, because the mean of its divisors is an integer number (1846261755).

Almost surely, 2^40505353542 is an apocalyptic number.

40505353542 is an abundant number, since it is smaller than the sum of its proper divisors (48115210698).

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

40505353542 is a wasteful number, since it uses less digits than its factorization.

40505353542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9317 (or 9314 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 36.

The spelling of 40505353542 in words is "forty billion, five hundred five million, three hundred fifty-three thousand, five hundred forty-two".