33426040549 has 16 divisors (see below), whose sum is σ = 36870804864. Its totient is φ = 30300800640.

The previous prime is 33426040541. The next prime is 33426040559. The reversal of 33426040549 is 94504062433.

It is not a de Polignac number, because 33426040549 - 2³ = 33426040541 is a prime.

It is a super-2 number, since 2×33426040549² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33426040541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 434272 + ... + 505414.

It is an arithmetic number, because the mean of its divisors is an integer number (2304425304).

Almost surely, 2^33426040549 is an apocalyptic number.

It is an amenable number.

33426040549 is a deficient number, since it is larger than the sum of its proper divisors (3444764315).

33426040549 is an equidigital number, since it uses as much as digits as its factorization.

33426040549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71529 (or 71507 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 40.

The spelling of 33426040549 in words is "thirty-three billion, four hundred twenty-six million, forty thousand, five hundred forty-nine".