40406740734 has 16 divisors (see below), whose sum is σ = 85567215888. Its totient is φ = 12676624512.

The previous prime is 40406740729. The next prime is 40406740739. The reversal of 40406740734 is 43704760404.

It is an interprime number because it is at equal distance from previous prime (40406740729) and next prime (40406740739).

It is a junction number, because it is equal to n+sod(n) for n = 40406740692 and 40406740701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40406740739) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 198072157 + ... + 198072360.

It is an arithmetic number, because the mean of its divisors is an integer number (5347950993).

Almost surely, 2^40406740734 is an apocalyptic number.

40406740734 is an abundant number, since it is smaller than the sum of its proper divisors (45160475154).

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

40406740734 is a wasteful number, since it uses less digits than its factorization.

40406740734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396144539.

The product of its (nonzero) digits is 225792, while the sum is 39.

The spelling of 40406740734 in words is "forty billion, four hundred six million, seven hundred forty thousand, seven hundred thirty-four".