33453071940 has 48 divisors (see below), whose sum is σ = 93677411520. Its totient is φ = 8919980160.

The previous prime is 33453071933. The next prime is 33453071941. The reversal of 33453071940 is 4917035433.

It is a super-2 number, since 2×33453071940² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33453071941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 870451 + ... + 908069.

It is an arithmetic number, because the mean of its divisors is an integer number (1951612740).

Almost surely, 2^33453071940 is an apocalyptic number.

33453071940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33453071940 is an abundant number, since it is smaller than the sum of its proper divisors (60224339580).

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

33453071940 is a wasteful number, since it uses less digits than its factorization.

33453071940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52452 (or 52450 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 39.

The spelling of 33453071940 in words is "thirty-three billion, four hundred fifty-three million, seventy-one thousand, nine hundred forty".