40020504434 has 16 divisors (see below), whose sum is σ = 62166514176. Its totient is φ = 19302484800.

The previous prime is 40020504409. The next prime is 40020504449. The reversal of 40020504434 is 43440502004.

40020504434 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 7 ways as a sum of consecutive naturals, for example, 1018487 + ... + 1057050.

It is an arithmetic number, because the mean of its divisors is an integer number (3885407136).

Almost surely, 2^40020504434 is an apocalyptic number.

40020504434 is a deficient number, since it is larger than the sum of its proper divisors (22146009742).

40020504434 is a wasteful number, since it uses less digits than its factorization.

40020504434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2075881.

The product of its (nonzero) digits is 7680, while the sum is 26.

The spelling of 40020504434 in words is "forty billion, twenty million, five hundred four thousand, four hundred thirty-four".