40472064 has 60 divisors (see below), whose sum is σ = 116818416. Its totient is φ = 13489152.

The previous prime is 40472051. The next prime is 40472093. The reversal of 40472064 is 46027404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 217 + ... + 8999.

Almost surely, 2^40472064 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 40472064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58409208).

40472064 is an abundant number, since it is smaller than the sum of its proper divisors (76346352).

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

40472064 is an equidigital number, since it uses as much as digits as its factorization.

40472064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8807 (or 8788 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 40472064 is about 6361.7657926082. The cubic root of 40472064 is about 343.3352947595.

Adding to 40472064 its reverse (46027404), we get a palindrome (86499468).

The spelling of 40472064 in words is "forty million, four hundred seventy-two thousand, sixty-four".