40472619 has 16 divisors (see below), whose sum is σ = 59457024. Its totient is φ = 24284000.

The previous prime is 40472611. The next prime is 40472657. The reversal of 40472619 is 91627404.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 40472619 - 2³ = 40472611 is a prime.

It is a super-2 number, since 2×40472619² = 3276065777438322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a self number, because there is not a number n which added to its sum of digits gives 40472619.

It is not an unprimeable number, because it can be changed into a prime (40472611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2739 + ... + 9404.

It is an arithmetic number, because the mean of its divisors is an integer number (3716064).

Almost surely, 2^40472619 is an apocalyptic number.

40472619 is a deficient number, since it is larger than the sum of its proper divisors (18984405).

40472619 is a wasteful number, since it uses less digits than its factorization.

40472619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12258.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 40472619 is about 6361.8094124235. The cubic root of 40472619 is about 343.3368641566.

It can be divided in two parts, 4047 and 2619, that added together give a palindrome (6666).

The spelling of 40472619 in words is "forty million, four hundred seventy-two thousand, six hundred nineteen".