40327633849 has 4 divisors (see below), whose sum is σ = 40328827264. Its totient is φ = 40326440436.

The previous prime is 40327633837. The next prime is 40327633919. The reversal of 40327633849 is 94833672304.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40327633849 - 2¹⁷ = 40327502777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40327633649) 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, 544497 + ... + 614110.

It is an arithmetic number, because the mean of its divisors is an integer number (10082206816).

Almost surely, 2^40327633849 is an apocalyptic number.

It is an amenable number.

40327633849 is a deficient number, since it is larger than the sum of its proper divisors (1193415).

40327633849 is a wasteful number, since it uses less digits than its factorization.

40327633849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193414.

The product of its (nonzero) digits is 2612736, while the sum is 49.

The spelling of 40327633849 in words is "forty billion, three hundred twenty-seven million, six hundred thirty-three thousand, eight hundred forty-nine".