42504553652 has 24 divisors (see below), whose sum is σ = 81151338240. Its totient is φ = 19318756160.

The previous prime is 42504553639. The next prime is 42504553673. The reversal of 42504553652 is 25635540524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 701624 + ... + 759792.

It is an arithmetic number, because the mean of its divisors is an integer number (3381305760).

Almost surely, 2^42504553652 is an apocalyptic number.

It is an amenable number.

42504553652 is a deficient number, since it is larger than the sum of its proper divisors (38646784588).

42504553652 is a wasteful number, since it uses less digits than its factorization.

42504553652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74791 (or 74789 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 41.

The spelling of 42504553652 in words is "forty-two billion, five hundred four million, five hundred fifty-three thousand, six hundred fifty-two".