40270000 has 50 divisors (see below), whose sum is σ = 97521908. Its totient is φ = 16104000.

The previous prime is 40269997. The next prime is 40270001. The reversal of 40270000 is 7204.

It is a tau number, because it is divible by the number of its divisors (50).

It is not an unprimeable number, because it can be changed into a prime (40270001) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7987 + ... + 12013.

Almost surely, 2^40270000 is an apocalyptic number.

40270000 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 40270000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48760954).

40270000 is an abundant number, since it is smaller than the sum of its proper divisors (57251908).

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

40270000 is an equidigital number, since it uses as much as digits as its factorization.

40270000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4055 (or 4034 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 13.

The square root of 40270000 is about 6345.8647952820. The cubic root of 40270000 is about 342.7629536242.

Adding to 40270000 its reverse (7204), we get a palindrome (40277204).

The spelling of 40270000 in words is "forty million, two hundred seventy thousand".