40305227522534 has 32 divisors (see below), whose sum is σ = 66871008313536. Its totient is φ = 18098866281600.

The previous prime is 40305227522501. The next prime is 40305227522543. The reversal of 40305227522534 is 43522572250304.

It is a happy number.

It is a super-2 number, since 2×40305227522534² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21772559 + ... + 23551109.

It is an arithmetic number, because the mean of its divisors is an integer number (2089719009798).

Almost surely, 2^{40305227522534} is an apocalyptic number.

40305227522534 is a deficient number, since it is larger than the sum of its proper divisors (26565780791002).

40305227522534 is a wasteful number, since it uses less digits than its factorization.

40305227522534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1802160.

The product of its (nonzero) digits is 2016000, while the sum is 44.

Adding to 40305227522534 its reverse (43522572250304), we get a palindrome (83827799772838).

The spelling of 40305227522534 in words is "forty trillion, three hundred five billion, two hundred twenty-seven million, five hundred twenty-two thousand, five hundred thirty-four".