40340674434 has 16 divisors (see below), whose sum is σ = 82397973888. Its totient is φ = 13160787312.

The previous prime is 40340674427. The next prime is 40340674457. The reversal of 40340674434 is 43447604304.

It is a junction number, because it is equal to n+sod(n) for n = 40340674392 and 40340674401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71525737 + ... + 71526300.

It is an arithmetic number, because the mean of its divisors is an integer number (5149873368).

Almost surely, 2^40340674434 is an apocalyptic number.

40340674434 is an abundant number, since it is smaller than the sum of its proper divisors (42057299454).

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

40340674434 is a wasteful number, since it uses less digits than its factorization.

40340674434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143052089.

The product of its (nonzero) digits is 387072, while the sum is 39.

The spelling of 40340674434 in words is "forty billion, three hundred forty million, six hundred seventy-four thousand, four hundred thirty-four".