40448296 has 16 divisors (see below), whose sum is σ = 86675040. Its totient is φ = 17334960.

The previous prime is 40448281. The next prime is 40448299. The reversal of 40448296 is 69284404.

It is not an unprimeable number, because it can be changed into a prime (40448299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361090 + ... + 361201.

It is an arithmetic number, because the mean of its divisors is an integer number (5417190).

Almost surely, 2^40448296 is an apocalyptic number.

It is an amenable number.

40448296 is an abundant number, since it is smaller than the sum of its proper divisors (46226744).

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

40448296 is a wasteful number, since it uses less digits than its factorization.

40448296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722304 (or 722300 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 40448296 is about 6359.8974834505. The cubic root of 40448296 is about 343.2680715076.

The spelling of 40448296 in words is "forty million, four hundred forty-eight thousand, two hundred ninety-six".