33451213452 has 48 divisors (see below), whose sum is σ = 78610463232. Its totient is φ = 11071028160.

The previous prime is 33451213427. The next prime is 33451213469. The reversal of 33451213452 is 25431215433.

It is a super-2 number, since 2×33451213452² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 935283 + ... + 970389.

It is an arithmetic number, because the mean of its divisors is an integer number (1637717984).

Almost surely, 2^33451213452 is an apocalyptic number.

It is an amenable number.

33451213452 is an abundant number, since it is smaller than the sum of its proper divisors (45159249780).

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

33451213452 is a wasteful number, since it uses less digits than its factorization.

33451213452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35678 (or 35676 counting only the distinct ones).

The product of its digits is 43200, while the sum is 33.

Adding to 33451213452 its reverse (25431215433), we get a palindrome (58882428885).

The spelling of 33451213452 in words is "thirty-three billion, four hundred fifty-one million, two hundred thirteen thousand, four hundred fifty-two".