33405400232 has 32 divisors (see below), whose sum is σ = 63806050080. Its totient is φ = 16391693760.

The previous prime is 33405400213. The next prime is 33405400241. The reversal of 33405400232 is 23200450433.

It is a super-3 number, since 3×33405400232³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 138923 + ... + 293445.

It is an arithmetic number, because the mean of its divisors is an integer number (1993939065).

Almost surely, 2^33405400232 is an apocalyptic number.

It is an amenable number.

33405400232 is a deficient number, since it is larger than the sum of its proper divisors (30400649848).

33405400232 is a wasteful number, since it uses less digits than its factorization.

33405400232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155033 (or 155029 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 26.

Adding to 33405400232 its reverse (23200450433), we get a palindrome (56605850665).

The spelling of 33405400232 in words is "thirty-three billion, four hundred five million, four hundred thousand, two hundred thirty-two".