40452620 has 48 divisors (see below), whose sum is σ = 92160768. Its totient is φ = 14826240.

The previous prime is 40452619. The next prime is 40452631. The reversal of 40452620 is 2625404.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40325 + ... + 41315.

It is an arithmetic number, because the mean of its divisors is an integer number (1920016).

Almost surely, 2^40452620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40452620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46080384).

40452620 is an abundant number, since it is smaller than the sum of its proper divisors (51708148).

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

40452620 is a wasteful number, since it uses less digits than its factorization.

40452620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170 (or 1168 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 40452620 is about 6360.2374169523. The cubic root of 40452620 is about 343.2803030756.

The spelling of 40452620 in words is "forty million, four hundred fifty-two thousand, six hundred twenty".