40053798 has 64 divisors (see below), whose sum is σ = 93450240. Its totient is φ = 12700800.

The previous prime is 40053773. The next prime is 40053803. The reversal of 40053798 is 89735004.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its 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 (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118686 + ... + 119022.

It is an arithmetic number, because the mean of its divisors is an integer number (1460160).

Almost surely, 2^40053798 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40053798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46725120).

40053798 is an abundant number, since it is smaller than the sum of its proper divisors (53396442).

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

40053798 is a wasteful number, since it uses less digits than its factorization.

40053798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450 (or 444 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 40053798 is about 6328.8069965832. The cubic root of 40053798 is about 342.1484427931.

The spelling of 40053798 in words is "forty million, fifty-three thousand, seven hundred ninety-eight".