42023952 has 30 divisors (see below), whose sum is σ = 117609102. Its totient is φ = 14007936.

The previous prime is 42023951. The next prime is 42023957. The reversal of 42023952 is 25932024.

42023952 is a `hidden beast` number, since 420 + 239 + 5 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 40908816 + 1115136 = 6396^2 + 1056^2 .

It is not an unprimeable number, because it can be changed into a prime (42023951) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 145773 + ... + 146060.

Almost surely, 2^42023952 is an apocalyptic number.

It is an amenable number.

42023952 is an abundant number, since it is smaller than the sum of its proper divisors (75585150).

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

42023952 is a wasteful number, since it uses less digits than its factorization.

42023952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291847 (or 291838 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 42023952 is about 6482.5883719391. The cubic root of 42023952 is about 347.6687295429.

Adding to 42023952 its reverse (25932024), we get a palindrome (67955976).

The spelling of 42023952 in words is "forty-two million, twenty-three thousand, nine hundred fifty-two".