40472306 has 16 divisors (see below), whose sum is σ = 69997824. Its totient is φ = 17191104.

The previous prime is 40472303. The next prime is 40472309. The reversal of 40472306 is 60327404.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40472303) and next prime (40472309).

It is not an unprimeable number, because it can be changed into a prime (40472303) 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, 11210 + ... + 14373.

It is an arithmetic number, because the mean of its divisors is an integer number (4374864).

Almost surely, 2^40472306 is an apocalyptic number.

40472306 is a deficient number, since it is larger than the sum of its proper divisors (29525518).

40472306 is a wasteful number, since it uses less digits than its factorization.

40472306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25705.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 40472306 is about 6361.7848124563. The cubic root of 40472306 is about 343.3359790749.

The spelling of 40472306 in words is "forty million, four hundred seventy-two thousand, three hundred six".