40405363434 has 64 divisors (see below), whose sum is σ = 90290926080. Its totient is φ = 13393486080.

The previous prime is 40405363423. The next prime is 40405363457. The reversal of 40405363434 is 43436350404.

40405363434 is a `hidden beast` number, since 40 + 40 + 536 + 3 + 43 + 4 = 666.

40405363434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7721599 + ... + 7726829.

It is an arithmetic number, because the mean of its divisors is an integer number (1410795720).

Almost surely, 2^40405363434 is an apocalyptic number.

40405363434 is an abundant number, since it is smaller than the sum of its proper divisors (49885562646).

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

40405363434 is a wasteful number, since it uses less digits than its factorization.

40405363434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6012 (or 6006 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 36.

The spelling of 40405363434 in words is "forty billion, four hundred five million, three hundred sixty-three thousand, four hundred thirty-four".