33400240440100 has 36 divisors (see below), whose sum is σ = 72482086196800. Its totient is φ = 13359439136160.

The previous prime is 33400240440059. The next prime is 33400240440107. The reversal of 33400240440100 is 104404200433.

It is a super-2 number, since 2×33400240440100² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (33400240440107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6166920 + ... + 10238719.

Almost surely, 2^{33400240440100} is an apocalyptic number.

It is an amenable number.

33400240440100 is an abundant number, since it is smaller than the sum of its proper divisors (39081845756700).

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

33400240440100 is a wasteful number, since it uses less digits than its factorization.

33400240440100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16426012 (or 16426005 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 33400240440100 its reverse (104404200433), we get a palindrome (33504644640533).

The spelling of 33400240440100 in words is "thirty-three trillion, four hundred billion, two hundred forty million, four hundred forty thousand, one hundred".