42801620 has 24 divisors (see below), whose sum is σ = 93792384. Its totient is φ = 16376096.

The previous prime is 42801611. The next prime is 42801653. The reversal of 42801620 is 2610824.

It is a Harshad number since it is a multiple of its sum of digits (23).

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, 46064 + ... + 46983.

It is an arithmetic number, because the mean of its divisors is an integer number (3908016).

Almost surely, 2^42801620 is an apocalyptic number.

It is an amenable number.

42801620 is an abundant number, since it is smaller than the sum of its proper divisors (50990764).

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

42801620 is a wasteful number, since it uses less digits than its factorization.

42801620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93079 (or 93077 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 42801620 is about 6542.2947044596. The cubic root of 42801620 is about 349.8002125093.

The spelling of 42801620 in words is "forty-two million, eight hundred one thousand, six hundred twenty".