33552401420 has 24 divisors (see below), whose sum is σ = 72364370064. Its totient is φ = 13058231616.

The previous prime is 33552401419. The next prime is 33552401453. The reversal of 33552401420 is 2410425533.

It is a happy number.

It is a super-2 number, since 2×33552401420² (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 7 ways as a sum of consecutive naturals, for example, 22669802 + ... + 22671281.

It is an arithmetic number, because the mean of its divisors is an integer number (3015182086).

Almost surely, 2^33552401420 is an apocalyptic number.

It is an amenable number.

33552401420 is an abundant number, since it is smaller than the sum of its proper divisors (38811968644).

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

33552401420 is a wasteful number, since it uses less digits than its factorization.

33552401420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45341129 (or 45341127 counting only the distinct ones).

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

Adding to 33552401420 its reverse (2410425533), we get a palindrome (35962826953).

The spelling of 33552401420 in words is "thirty-three billion, five hundred fifty-two million, four hundred one thousand, four hundred twenty".