40540212533 has 8 divisors (see below), whose sum is σ = 41152208448. Its totient is φ = 39928420224.

The previous prime is 40540212481. The next prime is 40540212553. The reversal of 40540212533 is 33521204504.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40540212533 - 2¹² = 40540208437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40540212496 and 40540212505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40540212553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377285 + ... + 472677.

It is an arithmetic number, because the mean of its divisors is an integer number (5144026056).

Almost surely, 2^40540212533 is an apocalyptic number.

It is an amenable number.

40540212533 is a deficient number, since it is larger than the sum of its proper divisors (611995915).

40540212533 is an equidigital number, since it uses as much as digits as its factorization.

40540212533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101803.

The product of its (nonzero) digits is 14400, while the sum is 29.

The spelling of 40540212533 in words is "forty billion, five hundred forty million, two hundred twelve thousand, five hundred thirty-three".