40749400 has 48 divisors (see below), whose sum is σ = 96188040. Its totient is φ = 16051200.

The previous prime is 40749383. The next prime is 40749413. The reversal of 40749400 is 494704.

40749400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11880 + ... + 14920.

Almost surely, 2^40749400 is an apocalyptic number.

40749400 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 40749400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48094020).

40749400 is an abundant number, since it is smaller than the sum of its proper divisors (55438640).

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

40749400 is a wasteful number, since it uses less digits than its factorization.

40749400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3124 (or 3115 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 40749400 is about 6383.5256716019. The cubic root of 40749400 is about 344.1177485859.

The spelling of 40749400 in words is "forty million, seven hundred forty-nine thousand, four hundred".