42633669420 has 36 divisors (see below), whose sum is σ = 129322131120. Its totient is φ = 11368978464.

The previous prime is 42633669383. The next prime is 42633669433. The reversal of 42633669420 is 2496633624.

42633669420 is a `hidden beast` number, since 4 + 2 + 633 + 6 + 6 + 9 + 4 + 2 + 0 = 666.

42633669420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118426680 + ... + 118427039.

It is an arithmetic number, because the mean of its divisors is an integer number (3592281420).

Almost surely, 2^42633669420 is an apocalyptic number.

It is an amenable number.

42633669420 is an abundant number, since it is smaller than the sum of its proper divisors (86688461700).

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

42633669420 is a wasteful number, since it uses less digits than its factorization.

42633669420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236853734 (or 236853729 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 45.

The spelling of 42633669420 in words is "forty-two billion, six hundred thirty-three million, six hundred sixty-nine thousand, four hundred twenty".