40434442412540 has 48 divisors (see below), whose sum is σ = 93307775075424. Its totient is φ = 14596109260800.

The previous prime is 40434442412519. The next prime is 40434442412543. The reversal of 40434442412540 is 4521424443404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40434442412543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 670746941 + ... + 670807220.

It is an arithmetic number, because the mean of its divisors is an integer number (1943911980738).

Almost surely, 2^{40434442412540} is an apocalyptic number.

It is an amenable number.

40434442412540 is an abundant number, since it is smaller than the sum of its proper divisors (52873332662884).

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

40434442412540 is a wasteful number, since it uses less digits than its factorization.

40434442412540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341554318 (or 1341554316 counting only the distinct ones).

The product of its (nonzero) digits is 983040, while the sum is 41.

Adding to 40434442412540 its reverse (4521424443404), we get a palindrome (44955866855944).

The spelling of 40434442412540 in words is "forty trillion, four hundred thirty-four billion, four hundred forty-two million, four hundred twelve thousand, five hundred forty".