40540202520231 has 32 divisors (see below), whose sum is σ = 56012292000000. Its totient is φ = 26050653877248.

The previous prime is 40540202520197. The next prime is 40540202520283. The reversal of 40540202520231 is 13202520204504.

It is not a de Polignac number, because 40540202520231 - 2¹⁴ = 40540202503847 is a prime.

It is a super-2 number, since 2×40540202520231² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40540202520131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121862440 + ... + 122194658.

It is an arithmetic number, because the mean of its divisors is an integer number (1750384125000).

Almost surely, 2^{40540202520231} is an apocalyptic number.

40540202520231 is a deficient number, since it is larger than the sum of its proper divisors (15472089479769).

40540202520231 is a wasteful number, since it uses less digits than its factorization.

40540202520231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334623.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 40540202520231 its reverse (13202520204504), we get a palindrome (53742722724735).

The spelling of 40540202520231 in words is "forty trillion, five hundred forty billion, two hundred two million, five hundred twenty thousand, two hundred thirty-one".