42283920 has 80 divisors (see below), whose sum is σ = 149811840. Its totient is φ = 9664512.

The previous prime is 42283909. The next prime is 42283931. The reversal of 42283920 is 2938224.

It is an interprime number because it is at equal distance from previous prime (42283909) and next prime (42283931).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 10905 + ... + 14264.

It is an arithmetic number, because the mean of its divisors is an integer number (1872648).

Almost surely, 2^42283920 is an apocalyptic number.

42283920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42283920 is an abundant number, since it is smaller than the sum of its proper divisors (107527920).

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

42283920 is a wasteful number, since it uses less digits than its factorization.

42283920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25192 (or 25186 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 42283920 is about 6502.6087072805. The cubic root of 42283920 is about 348.3841708016.

The spelling of 42283920 in words is "forty-two million, two hundred eighty-three thousand, nine hundred twenty".