40479500 has 48 divisors (see below), whose sum is σ = 93082080. Its totient is φ = 15336000.

The previous prime is 40479497. The next prime is 40479529. The reversal of 40479500 is 597404.

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, 7370 + ... + 11630.

It is an arithmetic number, because the mean of its divisors is an integer number (1939210).

Almost surely, 2^40479500 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 40479500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46541040).

40479500 is an abundant number, since it is smaller than the sum of its proper divisors (52602580).

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

40479500 is a wasteful number, since it uses less digits than its factorization.

40479500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4299 (or 4287 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 40479500 is about 6362.3501947001. The cubic root of 40479500 is about 343.3563206611.

The spelling of 40479500 in words is "forty million, four hundred seventy-nine thousand, five hundred".