42921150 has 48 divisors (see below), whose sum is σ = 106932144. Its totient is φ = 11393280.

The previous prime is 42921139. The next prime is 42921167. The reversal of 42921150 is 5112924.

It is a self number, because there is not a number n which added to its sum of digits gives 42921150.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41034 + ... + 42066.

It is an arithmetic number, because the mean of its divisors is an integer number (2227753).

Almost surely, 2^42921150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42921150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53466072).

42921150 is an abundant number, since it is smaller than the sum of its proper divisors (64010994).

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

42921150 is a wasteful number, since it uses less digits than its factorization.

42921150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325 (or 1320 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 42921150 is about 6551.4235094367. The cubic root of 42921150 is about 350.1255332014.

It can be divided in two parts, 42921 and 150, that added together give a triangular number (43071 = T₂₉₃).

The spelling of 42921150 in words is "forty-two million, nine hundred twenty-one thousand, one hundred fifty".