33421247748 has 72 divisors (see below), whose sum is σ = 96899030592. Its totient is φ = 9514435392.

The previous prime is 33421247723. The next prime is 33421247753. The reversal of 33421247748 is 84774212433.

33421247748 is a `hidden beast` number, since 334 + 2 + 1 + 247 + 74 + 8 = 666.

It is a super-2 number, since 2×33421247748² (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 23 ways as a sum of consecutive naturals, for example, 169590 + ... + 309197.

Almost surely, 2^33421247748 is an apocalyptic number.

It is an amenable number.

33421247748 is an abundant number, since it is smaller than the sum of its proper divisors (63477782844).

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

33421247748 is a wasteful number, since it uses less digits than its factorization.

33421247748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479081 (or 479076 counting only the distinct ones).

The product of its digits is 903168, while the sum is 45.

The spelling of 33421247748 in words is "thirty-three billion, four hundred twenty-one million, two hundred forty-seven thousand, seven hundred forty-eight".