42902244 has 216 divisors, whose sum is σ = 144342240. Its totient is φ = 10977120.

The previous prime is 42902243. The next prime is 42902267. The reversal of 42902244 is 44220924.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (42902243) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 640299 + ... + 640365.

Almost surely, 2^42902244 is an apocalyptic number.

42902244 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42902244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72171120).

42902244 is an abundant number, since it is smaller than the sum of its proper divisors (101439996).

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

42902244 is a wasteful number, since it uses less digits than its factorization.

42902244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 42902244 is about 6549.9804579861. The cubic root of 42902244 is about 350.0741176367.

The spelling of 42902244 in words is "forty-two million, nine hundred two thousand, two hundred forty-four".