40116400 has 30 divisors (see below), whose sum is σ = 96380612. Its totient is φ = 16046400.

The previous prime is 40116397. The next prime is 40116407. The reversal of 40116400 is 461104.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (40116407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49746 + ... + 50545.

Almost surely, 2^40116400 is an apocalyptic number.

40116400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40116400 is an abundant number, since it is smaller than the sum of its proper divisors (56264212).

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

40116400 is a wasteful number, since it uses less digits than its factorization.

40116400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100309 (or 100298 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 40116400 is about 6333.7508634300. The cubic root of 40116400 is about 342.3266034049.

Adding to 40116400 its reverse (461104), we get a palindrome (40577504).

The spelling of 40116400 in words is "forty million, one hundred sixteen thousand, four hundred".