33555061040 has 40 divisors (see below), whose sum is σ = 82604668320. Its totient is φ = 12632493056.

The previous prime is 33555061039. The next prime is 33555061049. The reversal of 33555061040 is 4016055533.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×33555061040² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33555060988 and 33555061006.

It is not an unprimeable number, because it can be changed into a prime (33555061049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12335060 + ... + 12337779.

It is an arithmetic number, because the mean of its divisors is an integer number (2065116708).

Almost surely, 2^33555061040 is an apocalyptic number.

It is an amenable number.

33555061040 is an abundant number, since it is smaller than the sum of its proper divisors (49049607280).

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

33555061040 is a wasteful number, since it uses less digits than its factorization.

33555061040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24672869 (or 24672863 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 32.

The spelling of 33555061040 in words is "thirty-three billion, five hundred fifty-five million, sixty-one thousand, forty".