40229412 has 24 divisors (see below), whose sum is σ = 99390816. Its totient is φ = 12620928.

The previous prime is 40229401. The next prime is 40229419. The reversal of 40229412 is 21492204.

It is not an unprimeable number, because it can be changed into a prime (40229419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98398 + ... + 98805.

It is an arithmetic number, because the mean of its divisors is an integer number (4141284).

Almost surely, 2^40229412 is an apocalyptic number.

It is an amenable number.

40229412 is an abundant number, since it is smaller than the sum of its proper divisors (59161404).

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

40229412 is a wasteful number, since it uses less digits than its factorization.

40229412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197227 (or 197225 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 40229412 is about 6342.6660009810. Note that the first 3 decimals coincide. The cubic root of 40229412 is about 342.6477583642.

The spelling of 40229412 in words is "forty million, two hundred twenty-nine thousand, four hundred twelve".