40145735434 has 32 divisors (see below), whose sum is σ = 72295545600. Its totient is φ = 16346787072.

The previous prime is 40145735407. The next prime is 40145735437. The reversal of 40145735434 is 43453754104.

It is a super-2 number, since 2×40145735434² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40145735437) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 370399 + ... + 466354.

It is an arithmetic number, because the mean of its divisors is an integer number (2259235800).

Almost surely, 2^40145735434 is an apocalyptic number.

40145735434 is a deficient number, since it is larger than the sum of its proper divisors (32149810166).

40145735434 is a wasteful number, since it uses less digits than its factorization.

40145735434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836934.

The product of its (nonzero) digits is 403200, while the sum is 40.

The spelling of 40145735434 in words is "forty billion, one hundred forty-five million, seven hundred thirty-five thousand, four hundred thirty-four".