33540423140256 has 48 divisors (see below), whose sum is σ = 88074108045504. Its totient is φ = 11176268373504.

The previous prime is 33540423140219. The next prime is 33540423140291. The reversal of 33540423140256 is 65204132404533.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×33540423140256² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60231925 + ... + 60786228.

It is an arithmetic number, because the mean of its divisors is an integer number (1834877250948).

Almost surely, 2^{33540423140256} is an apocalyptic number.

It is an amenable number.

33540423140256 is an abundant number, since it is smaller than the sum of its proper divisors (54533684905248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33540423140256 is a wasteful number, since it uses less digits than its factorization.

33540423140256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121021053 (or 121021045 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 42.

Adding to 33540423140256 its reverse (65204132404533), we get a palindrome (98744555544789).

The spelling of 33540423140256 in words is "thirty-three trillion, five hundred forty billion, four hundred twenty-three million, one hundred forty thousand, two hundred fifty-six".