40472385 has 8 divisors (see below), whose sum is σ = 64755840. Its totient is φ = 21585264.

The previous prime is 40472353. The next prime is 40472447. The reversal of 40472385 is 58327404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40472385 - 2⁵ = 40472353 is a prime.

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, 1349065 + ... + 1349094.

It is an arithmetic number, because the mean of its divisors is an integer number (8094480).

Almost surely, 2^40472385 is an apocalyptic number.

It is an amenable number.

40472385 is a deficient number, since it is larger than the sum of its proper divisors (24283455).

40472385 is a wasteful number, since it uses less digits than its factorization.

40472385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2698167.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 40472385 is about 6361.7910214027. The cubic root of 40472385 is about 343.3362024666.

Adding to 40472385 its reverse (58327404), we get a palindrome (98799789).

The spelling of 40472385 in words is "forty million, four hundred seventy-two thousand, three hundred eighty-five".