40051473 has 96 divisors (see below), whose sum is σ = 75644928. Its totient is φ = 18547200.

The previous prime is 40051457. The next prime is 40051489. The reversal of 40051473 is 37415004.

It is an interprime number because it is at equal distance from previous prime (40051457) and next prime (40051489).

It is not a de Polignac number, because 40051473 - 2⁴ = 40051457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40051423) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 852136 + ... + 852182.

It is an arithmetic number, because the mean of its divisors is an integer number (787968).

Almost surely, 2^40051473 is an apocalyptic number.

It is an amenable number.

40051473 is a deficient number, since it is larger than the sum of its proper divisors (35593455).

40051473 is a wasteful number, since it uses less digits than its factorization.

40051473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123 (or 116 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 40051473 is about 6328.6233100098. The cubic root of 40051473 is about 342.1418224428.

Adding to 40051473 its reverse (37415004), we get a palindrome (77466477).

The spelling of 40051473 in words is "forty million, fifty-one thousand, four hundred seventy-three".