42900928 has 112 divisors (see below), whose sum is σ = 106216704. Its totient is φ = 16773120.

The previous prime is 42900863. The next prime is 42900959. The reversal of 42900928 is 82900924.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×42900928² = 3680979246522368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 42900893 and 42900902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 327423 + ... + 327553.

Almost surely, 2^42900928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42900928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53108352).

42900928 is an abundant number, since it is smaller than the sum of its proper divisors (63315776).

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

42900928 is a wasteful number, since it uses less digits than its factorization.

42900928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 42900928 is about 6549.8799989007. The cubic root of 42900928 is about 350.0705381639.

The spelling of 42900928 in words is "forty-two million, nine hundred thousand, nine hundred twenty-eight".