40300400 has 120 divisors (see below), whose sum is σ = 113936160. Its totient is φ = 13409280.

The previous prime is 40300399. The next prime is 40300411. The reversal of 40300400 is 400304.

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, 103406 + ... + 103794.

It is an arithmetic number, because the mean of its divisors is an integer number (949468).

Almost surely, 2^40300400 is an apocalyptic number.

40300400 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 40300400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56968080).

40300400 is an abundant number, since it is smaller than the sum of its proper divisors (73635760).

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

40300400 is a wasteful number, since it uses less digits than its factorization.

40300400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451 (or 440 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 40300400 is about 6348.2596040175. The cubic root of 40300400 is about 342.8491830163.

Adding to 40300400 its reverse (400304), we get a palindrome (40700704).

The spelling of 40300400 in words is "forty million, three hundred thousand, four hundred".