40364280 has 96 divisors (see below), whose sum is σ = 143123760. Its totient is φ = 9784320.

The previous prime is 40364279. The next prime is 40364297. The reversal of 40364280 is 8246304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1137 + ... + 9056.

Almost surely, 2^40364280 is an apocalyptic number.

40364280 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 40364280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71561880).

40364280 is an abundant number, since it is smaller than the sum of its proper divisors (102759480).

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

40364280 is a wasteful number, since it uses less digits than its factorization.

40364280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10221 (or 10214 counting only the distinct ones).

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

The square root of 40364280 is about 6353.2889120518. The cubic root of 40364280 is about 343.0302370021.

The spelling of 40364280 in words is "forty million, three hundred sixty-four thousand, two hundred eighty".