40542245634004 has 6 divisors (see below), whose sum is σ = 70948929859514. Its totient is φ = 20271122817000.

The previous prime is 40542245634001. The next prime is 40542245634073. The reversal of 40542245634004 is 40043654224504.

It can be written as a sum of positive squares in only one way, i.e., 24429808793104 + 16112436840900 = 4942652^2 + 4014030^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40542245634001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5067780704247 + ... + 5067780704254.

Almost surely, 2^{40542245634004} is an apocalyptic number.

It is an amenable number.

40542245634004 is a deficient number, since it is larger than the sum of its proper divisors (30406684225510).

40542245634004 is a wasteful number, since it uses less digits than its factorization.

40542245634004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10135561408505 (or 10135561408503 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 43.

Adding to 40542245634004 its reverse (40043654224504), we get a palindrome (80585899858508).

The spelling of 40542245634004 in words is "forty trillion, five hundred forty-two billion, two hundred forty-five million, six hundred thirty-four thousand, four".