40452672 has 112 divisors (see below), whose sum is σ = 121472960. Its totient is φ = 11778048.

The previous prime is 40452641. The next prime is 40452679. The reversal of 40452672 is 27625404.

It is not an unprimeable number, because it can be changed into a prime (40452679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46998 + ... + 47850.

It is an arithmetic number, because the mean of its divisors is an integer number (1084580).

Almost surely, 2^40452672 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 40452672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60736480).

40452672 is an abundant number, since it is smaller than the sum of its proper divisors (81020288).

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

40452672 is a wasteful number, since it uses less digits than its factorization.

40452672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900 (or 890 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 40452672 is about 6360.2415048487. The cubic root of 40452672 is about 343.2804501660.

The spelling of 40452672 in words is "forty million, four hundred fifty-two thousand, six hundred seventy-two".