33421401864 has 48 divisors (see below), whose sum is σ = 92224161900. Its totient is φ = 10930268544.

The previous prime is 33421401859. The next prime is 33421401883. The reversal of 33421401864 is 46810412433.

33421401864 is a `hidden beast` number, since 334 + 2 + 140 + 186 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 31131779364 + 2289622500 = 176442^2 + 47850^2 .

It is a super-2 number, since 2×33421401864² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4375299 + ... + 4382930.

Almost surely, 2^33421401864 is an apocalyptic number.

It is an amenable number.

33421401864 is an abundant number, since it is smaller than the sum of its proper divisors (58802760036).

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

33421401864 is a wasteful number, since it uses less digits than its factorization.

33421401864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8758294 (or 8758287 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The spelling of 33421401864 in words is "thirty-three billion, four hundred twenty-one million, four hundred one thousand, eight hundred sixty-four".