40667472 has 30 divisors (see below), whose sum is σ = 113812842. Its totient is φ = 13555776.

The previous prime is 40667453. The next prime is 40667479. The reversal of 40667472 is 27476604.

It can be written as a sum of positive squares in only one way, i.e., 25644096 + 15023376 = 5064^2 + 3876^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40667479) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 141063 + ... + 141350.

Almost surely, 2^40667472 is an apocalyptic number.

It is an amenable number.

40667472 is an abundant number, since it is smaller than the sum of its proper divisors (73145370).

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

40667472 is a wasteful number, since it uses less digits than its factorization.

40667472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282427 (or 282418 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 40667472 is about 6377.1052994286. The cubic root of 40667472 is about 343.8869738646.

The spelling of 40667472 in words is "forty million, six hundred sixty-seven thousand, four hundred seventy-two".