140045435406 has 32 divisors (see below), whose sum is σ = 315475266720. Its totient is φ = 46042333632.

The previous prime is 140045435401. The next prime is 140045435417. The reversal of 140045435406 is 604534540041.

140045435406 is a `hidden beast` number, since 140 + 0 + 45 + 435 + 40 + 6 = 666.

It is a super-2 number, since 2×140045435406² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140045435401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17759305 + ... + 17767188.

It is an arithmetic number, because the mean of its divisors is an integer number (9858602085).

Almost surely, 2^140045435406 is an apocalyptic number.

140045435406 is an abundant number, since it is smaller than the sum of its proper divisors (175429831314).

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

140045435406 is a wasteful number, since it uses less digits than its factorization.

140045435406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35526577 (or 35526571 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 140045435406 its reverse (604534540041), we get a palindrome (744579975447).

The spelling of 140045435406 in words is "one hundred forty billion, forty-five million, four hundred thirty-five thousand, four hundred six".