40206463734 has 32 divisors (see below), whose sum is σ = 87444272736. Its totient is φ = 12272878080.

The previous prime is 40206463729. The next prime is 40206463747. The reversal of 40206463734 is 43736460204.

It is a junction number, because it is equal to n+sod(n) for n = 40206463692 and 40206463701.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5322997 + ... + 5330544.

It is an arithmetic number, because the mean of its divisors is an integer number (2732633523).

Almost surely, 2^40206463734 is an apocalyptic number.

40206463734 is an abundant number, since it is smaller than the sum of its proper divisors (47237809002).

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

40206463734 is a wasteful number, since it uses less digits than its factorization.

40206463734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10653600.

The product of its (nonzero) digits is 290304, while the sum is 39.

The spelling of 40206463734 in words is "forty billion, two hundred six million, four hundred sixty-three thousand, seven hundred thirty-four".