40273000 has 128 divisors (see below), whose sum is σ = 105131520. Its totient is φ = 14361600.

The previous prime is 40272971. The next prime is 40273007. The reversal of 40273000 is 37204.

It is not an unprimeable number, because it can be changed into a prime (40273007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 390949 + ... + 391051.

It is an arithmetic number, because the mean of its divisors is an integer number (821340).

Almost surely, 2^40273000 is an apocalyptic number.

40273000 is a gapful number since it is divisible by the number (40) 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 40273000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52565760).

40273000 is an abundant number, since it is smaller than the sum of its proper divisors (64858520).

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

40273000 is a wasteful number, since it uses less digits than its factorization.

40273000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 40273000 is about 6346.1011652825. The cubic root of 40273000 is about 342.7714650332.

The spelling of 40273000 in words is "forty million, two hundred seventy-three thousand".