33973545140 has 24 divisors (see below), whose sum is σ = 71481404232. Its totient is φ = 13563330560.

The previous prime is 33973545103. The next prime is 33973545149. The reversal of 33973545140 is 4154537933.

It can be written as a sum of positive squares in 4 ways, for example, as 857552656 + 33115992484 = 29284^2 + 181978^2 .

It is a junction number, because it is equal to n+sod(n) for n = 33973545091 and 33973545100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33973545149) 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, 1619789 + ... + 1640628.

It is an arithmetic number, because the mean of its divisors is an integer number (2978391843).

Almost surely, 2^33973545140 is an apocalyptic number.

It is an amenable number.

33973545140 is an abundant number, since it is smaller than the sum of its proper divisors (37507859092).

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

33973545140 is a wasteful number, since it uses less digits than its factorization.

33973545140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3260947 (or 3260945 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 44.

The spelling of 33973545140 in words is "thirty-three billion, nine hundred seventy-three million, five hundred forty-five thousand, one hundred forty".