40472412 has 24 divisors (see below), whose sum is σ = 96740112. Its totient is φ = 13161600.

The previous prime is 40472353. The next prime is 40472447. The reversal of 40472412 is 21427404.

It is a super-2 number, since 2×40472412² = 3276032266195488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40639 + ... + 41622.

It is an arithmetic number, because the mean of its divisors is an integer number (4030838).

Almost surely, 2^40472412 is an apocalyptic number.

It is an amenable number.

40472412 is an abundant number, since it is smaller than the sum of its proper divisors (56267700).

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

40472412 is a wasteful number, since it uses less digits than its factorization.

40472412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82309 (or 82307 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 40472412 is about 6361.7931434463. The cubic root of 40472412 is about 343.3362788155.

Adding to 40472412 its reverse (21427404), we get a palindrome (61899816).

The spelling of 40472412 in words is "forty million, four hundred seventy-two thousand, four hundred twelve".