40704021934 has 4 divisors (see below), whose sum is σ = 61056032904. Its totient is φ = 20352010966.

The previous prime is 40704021931. The next prime is 40704021947. The reversal of 40704021934 is 43912040704.

It is a happy number.

40704021934 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 40704021934.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40704021931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10176005482 + ... + 10176005485.

It is an arithmetic number, because the mean of its divisors is an integer number (15264008226).

Almost surely, 2^40704021934 is an apocalyptic number.

40704021934 is a deficient number, since it is larger than the sum of its proper divisors (20352010970).

40704021934 is a wasteful number, since it uses less digits than its factorization.

40704021934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20352010969.

The product of its (nonzero) digits is 24192, while the sum is 34.

The spelling of 40704021934 in words is "forty billion, seven hundred four million, twenty-one thousand, nine hundred thirty-four".