34402454520 has 64 divisors (see below), whose sum is σ = 117951275520. Its totient is φ = 7863417984.

The previous prime is 34402454477. The next prime is 34402454521. The reversal of 34402454520 is 2545420443.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34402454521) 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, 20476812 + ... + 20478491.

It is an arithmetic number, because the mean of its divisors is an integer number (1842988680).

Almost surely, 2^34402454520 is an apocalyptic number.

34402454520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34402454520 is an abundant number, since it is smaller than the sum of its proper divisors (83548821000).

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

34402454520 is a wasteful number, since it uses less digits than its factorization.

34402454520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40955324 (or 40955320 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 33.

Adding to 34402454520 its reverse (2545420443), we get a palindrome (36947874963).

The spelling of 34402454520 in words is "thirty-four billion, four hundred two million, four hundred fifty-four thousand, five hundred twenty".