40212027307531 has 4 divisors (see below), whose sum is σ = 40212192701632. Its totient is φ = 40211861913432.

The previous prime is 40212027307499. The next prime is 40212027307553. The reversal of 40212027307531 is 13570372021204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40212027307531 - 2⁵ = 40212027307499 is a prime.

It is a super-2 number, since 2×40212027307531² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40212027307031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82331820 + ... + 82818793.

It is an arithmetic number, because the mean of its divisors is an integer number (10053048175408).

Almost surely, 2^{40212027307531} is an apocalyptic number.

40212027307531 is a deficient number, since it is larger than the sum of its proper divisors (165394101).

40212027307531 is a wasteful number, since it uses less digits than its factorization.

40212027307531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165394100.

The product of its (nonzero) digits is 70560, while the sum is 37.

Adding to 40212027307531 its reverse (13570372021204), we get a palindrome (53782399328735).

The spelling of 40212027307531 in words is "forty trillion, two hundred twelve billion, twenty-seven million, three hundred seven thousand, five hundred thirty-one".