33145814940 has 96 divisors (see below), whose sum is σ = 112305844224. Its totient is φ = 7130526720.

The previous prime is 33145814939. The next prime is 33145814941. The reversal of 33145814940 is 4941854133.

It is an interprime number because it is at equal distance from previous prime (33145814939) and next prime (33145814941).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 33145814892 and 33145814901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33145814941) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2313996 + ... + 2328275.

It is an arithmetic number, because the mean of its divisors is an integer number (1169852544).

Almost surely, 2^33145814940 is an apocalyptic number.

33145814940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33145814940 is an abundant number, since it is smaller than the sum of its proper divisors (79160029284).

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

33145814940 is a wasteful number, since it uses less digits than its factorization.

33145814940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4642307 (or 4642305 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 33145814940 in words is "thirty-three billion, one hundred forty-five million, eight hundred fourteen thousand, nine hundred forty".