33730523140 has 48 divisors (see below), whose sum is σ = 75015908352. Its totient is φ = 12695993856.

The previous prime is 33730523117. The next prime is 33730523149. The reversal of 33730523140 is 4132503733.

It is a super-2 number, since 2×33730523140² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33730523149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3150877 + ... + 3161563.

It is an arithmetic number, because the mean of its divisors is an integer number (1562831424).

Almost surely, 2^33730523140 is an apocalyptic number.

It is an amenable number.

33730523140 is an abundant number, since it is smaller than the sum of its proper divisors (41285385212).

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

33730523140 is a wasteful number, since it uses less digits than its factorization.

33730523140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19996 (or 19994 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 31.

The spelling of 33730523140 in words is "thirty-three billion, seven hundred thirty million, five hundred twenty-three thousand, one hundred forty".