40621098 has 48 divisors (see below), whose sum is σ = 97576704. Its totient is φ = 11229120.

The previous prime is 40621073. The next prime is 40621103. The reversal of 40621098 is 89012604.

40621098 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 23 ways as a sum of consecutive naturals, for example, 6886 + ... + 11342.

It is an arithmetic number, because the mean of its divisors is an integer number (2032848).

Almost surely, 2^40621098 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40621098, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48788352).

40621098 is an abundant number, since it is smaller than the sum of its proper divisors (56955606).

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

40621098 is a wasteful number, since it uses less digits than its factorization.

40621098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4507 (or 4500 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 40621098 is about 6373.4682865768. The cubic root of 40621098 is about 343.7562102239.

The spelling of 40621098 in words is "forty million, six hundred twenty-one thousand, ninety-eight".