40453880 has 64 divisors (see below), whose sum is σ = 98794080. Its totient is φ = 14848000.

The previous prime is 40453879. The next prime is 40453901. The reversal of 40453880 is 8835404.

40453880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 27155 + ... + 28605.

Almost surely, 2^40453880 is an apocalyptic number.

40453880 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 40453880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49397040).

40453880 is an abundant number, since it is smaller than the sum of its proper divisors (58340200).

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

40453880 is a wasteful number, since it uses less digits than its factorization.

40453880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520 (or 1516 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 40453880 is about 6360.3364690872. The cubic root of 40453880 is about 343.2838671521.

The spelling of 40453880 in words is "forty million, four hundred fifty-three thousand, eight hundred eighty".